Stian Lydersen

Summary

Affiliation: Norwegian University of Science and Technology
Country: Norway

Publications

  1. pmc The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional
    Morten W Fagerland
    Unit of Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
    BMC Med Res Methodol 13:91. 2013
  2. pmc Diet in subjects with irritable bowel syndrome: a cross-sectional study in the general population
    Solveig C Ligaarden
    Department of Medicine, Innlandet Hospital Trust, Kyrre Grepps gt 19, 2819, Gjøvik, Norway
    BMC Gastroenterol 12:61. 2012
  3. pmc IgG and IgG4 antibodies in subjects with irritable bowel syndrome: a case control study in the general population
    Solveig C Ligaarden
    Department of Medicine, Innlandet Hospital Trust, Kyrre Grepps gt 19, 2819, Gjøvik, Norway
    BMC Gastroenterol 12:166. 2012
  4. pmc Long-term in-vitro precision of direct digital X-ray radiogrammetry
    Alvilde Dhainaut
    INM, Rheumatology, Norwegian University of Science and Technology, MTS, 7489 Trondheim, Norway
    Skeletal Radiol 40:1575-9. 2011
  5. pmc A candidate probiotic with unfavourable effects in subjects with irritable bowel syndrome: a randomised controlled trial
    Solveig C Ligaarden
    Department of Medicine, Innlandet Hospital Trust, Gjøvik, Norway
    BMC Gastroenterol 10:16. 2010
  6. pmc Constipation and diarrhoea - common adverse drug reactions? A cross sectional study in the general population
    Gunvor S Fosnes
    Department of Medicine, Innlandet Hospital Trust, Gjøvik, Norway
    BMC Clin Pharmacol 11:2. 2011
  7. doi request reprint Recommended tests for association in 2 x 2 tables
    Stian Lydersen
    Unit for Applied Clinical Research, Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Stat Med 28:1159-75. 2009
  8. ncbi request reprint Choice of test for association in small sample unordered r x c tables
    S Lydersen
    Unit for Applied Clinical Research, Department of Cancer Research and Molecular Medicine, The Norwegian University of Science and Technology, N 7006 Trondheim, Norway
    Stat Med 26:4328-43. 2007
  9. doi request reprint Risk-reducing effect of education in Alzheimer's disease
    Sigrid Botne Sando
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Int J Geriatr Psychiatry 23:1156-62. 2008
  10. pmc Mediators of the association between pre-eclampsia and cerebral palsy: population based cohort study
    Kristin Melheim Strand
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, NTNU, PO Box 8905, MTFS, N 7491 Trondheim, Norway
    BMJ 347:f4089. 2013

Detail Information

Publications95

  1. pmc The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional
    Morten W Fagerland
    Unit of Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
    BMC Med Res Methodol 13:91. 2013
    ..Here, we examine a mid-p version of the McNemar exact conditional test for the analysis of paired binomial proportions...
  2. pmc Diet in subjects with irritable bowel syndrome: a cross-sectional study in the general population
    Solveig C Ligaarden
    Department of Medicine, Innlandet Hospital Trust, Kyrre Grepps gt 19, 2819, Gjøvik, Norway
    BMC Gastroenterol 12:61. 2012
    ..Patients with irritable bowel syndrome (IBS) often relate symptoms to the intake of certain foods. This study assesses differences in diet in subjects with and without IBS...
  3. pmc IgG and IgG4 antibodies in subjects with irritable bowel syndrome: a case control study in the general population
    Solveig C Ligaarden
    Department of Medicine, Innlandet Hospital Trust, Kyrre Grepps gt 19, 2819, Gjøvik, Norway
    BMC Gastroenterol 12:166. 2012
    ..The primary aim of this study was to compare food- and yeast-specific IgG and IgG4 antibodies in subjects with and without IBS...
  4. pmc Long-term in-vitro precision of direct digital X-ray radiogrammetry
    Alvilde Dhainaut
    INM, Rheumatology, Norwegian University of Science and Technology, MTS, 7489 Trondheim, Norway
    Skeletal Radiol 40:1575-9. 2011
    ..However, long-term precision for this method has not been examined. Thus, the aim of this study was to examine the long-term in-vitro precision for the new direct digital version of DXR...
  5. pmc A candidate probiotic with unfavourable effects in subjects with irritable bowel syndrome: a randomised controlled trial
    Solveig C Ligaarden
    Department of Medicine, Innlandet Hospital Trust, Gjøvik, Norway
    BMC Gastroenterol 10:16. 2010
    ..plantarum MF1298 in subjects with IBS. Primary outcome was treatment preference and secondary outcomes were number of weeks with satisfactory relief of symptoms and IBS sum score...
  6. pmc Constipation and diarrhoea - common adverse drug reactions? A cross sectional study in the general population
    Gunvor S Fosnes
    Department of Medicine, Innlandet Hospital Trust, Gjøvik, Norway
    BMC Clin Pharmacol 11:2. 2011
    ..Constipation and diarrhoea are common complaints and often reported as adverse drug reactions. This study aimed at finding associations between drugs and constipation and diarrhoea in a general population...
  7. doi request reprint Recommended tests for association in 2 x 2 tables
    Stian Lydersen
    Unit for Applied Clinical Research, Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Stat Med 28:1159-75. 2009
    ..Unconditional tests and the mid-p approach ought to be used more than they now are. The traditional Fisher's exact test should practically never be used...
  8. ncbi request reprint Choice of test for association in small sample unordered r x c tables
    S Lydersen
    Unit for Applied Clinical Research, Department of Cancer Research and Molecular Medicine, The Norwegian University of Science and Technology, N 7006 Trondheim, Norway
    Stat Med 26:4328-43. 2007
    ..Moreover, we recommend that the asymptotic Pearson's chi-squared or other asymptotic tests not be used for small sample r x c tables...
  9. doi request reprint Risk-reducing effect of education in Alzheimer's disease
    Sigrid Botne Sando
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Int J Geriatr Psychiatry 23:1156-62. 2008
    ..To estimate the effect of education on the risk of Alzheimer's disease (AD)...
  10. pmc Mediators of the association between pre-eclampsia and cerebral palsy: population based cohort study
    Kristin Melheim Strand
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, NTNU, PO Box 8905, MTFS, N 7491 Trondheim, Norway
    BMJ 347:f4089. 2013
    ..To test the hypothesis that pre-eclampsia is a risk factor for cerebral palsy mediated through preterm birth and being born small for gestational age...
  11. doi request reprint Prehypertension, obesity, and risk of kidney disease: 20-year follow-up of the HUNT I study in Norway
    John Munkhaugen
    Faculty of Medicine, Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Am J Kidney Dis 54:638-46. 2009
    ....
  12. pmc Mental health, quality of life and social relations in young adults born with low birth weight
    Line K Lund
    Regional Centre for Child and Adolescent Mental Health, Norwegian University of Science and Technology, Trondheim, Norway
    Health Qual Life Outcomes 10:146. 2012
    ....
  13. doi request reprint Sex differences in time trends for overweight and obesity in adolescents: the Young-HUNT study
    Sigrid Bjornelv
    HUNT Research Centre, Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Verdal, Norway
    Scand J Public Health 37:881-9. 2009
    ..To investigate sex differences in the prevalence and extent of overweight and obesity in adolescents aged 14-18 years...
  14. doi request reprint Adolescent predictors and associates of psychosocial functioning in young men and women: 11 year follow-up findings from the Nord-Trøndelag Health Study
    Ruth Derdikman-Eiron
    The Regional Centre for Child and Adolescent Mental Health, RBUP, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Scand J Psychol 54:95-101. 2013
    ..These findings may have implications both for prevention and intervention in adolescence, as well as for future research...
  15. doi request reprint Does physiotherapist-guided pelvic floor muscle training increase the quality of life in patients after radical prostatectomy? A randomized clinical study
    Steffan Robstad Nilssen
    Faculty of Medicine, Norwegian University of Science and Technology NTNU, Trondheim, Norway
    Scand J Urol Nephrol 46:397-404. 2012
    ..The aim of this study was to study the effect of postoperative physiotherapist-guided pelvic floor muscle training (PFMT) on health-related quality of life (HRQoL) parameters in patients treated with radical prostatectomy (RP)...
  16. doi request reprint Recovery patterns and health-related quality of life in older patients undergoing cardiac surgery: a prospective study
    Kari Hanne Gjeilo
    Department of Cardiothoracic Surgery, St Olav s Hospital, Trondheim University Hospital, Trondheim, Norway
    Eur J Cardiovasc Nurs 11:322-30. 2012
    ..Particularly in older age, HRQOL, rather than longevity, is the primary goal of treatment. However, prospective studies describing recovery and HRQOL are still scarce...
  17. doi request reprint Tranexamic acid reduces blood transfusions in elderly patients undergoing combined aortic valve and coronary artery bypass graft surgery: a randomized controlled trial
    Guri Greiff
    Department of Cardiothoracic Anesthesia and Intensive Care, St Olav University Hospital, Trondheim, Norway
    J Cardiothorac Vasc Anesth 26:232-8. 2012
    ..To evaluate the effects of tranexamic acid on postoperative blood loss and transfusion requirements in elderly patients undergoing combined aortic valve replacement and coronary artery bypass graft surgery (CABG)...
  18. doi request reprint Kidney function and future risk for adverse pregnancy outcomes: a population-based study from HUNT II, Norway
    John Munkhaugen
    Faculty of Medicine, Institute of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Nephrol Dial Transplant 24:3744-50. 2009
    ..We aim to investigate whether reduced kidney function is associated with the risk of adverse pregnancy-related outcomes in the general population...
  19. doi request reprint Blood pressure reference values in adolescents: methodological aspects and suggestions for Northern Europe tables based on the Nord-Trøndelag Health Study II
    John Munkhaugen
    Faculty of Medicine, Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    J Hypertens 26:1912-8. 2008
    ..In addition to age and sex, height, puberty, type of measurement device and different variances in different age groups should also be accounted for...
  20. doi request reprint The role of sex in health-related quality of life after cardiac surgery: a prospective study
    Kari Hanne Gjeilo
    Department of aCardiothoracic Surgery, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
    Eur J Cardiovasc Prev Rehabil 15:448-52. 2008
    ..To assess health-related quality of life (HRQOL) in patients after cardiac surgery with emphasis on sex differences...
  21. ncbi request reprint Validation of the brief pain inventory in patients six months after cardiac surgery
    Kari Hanne Gjeilo
    Department of Cardiothoracic Surgery, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
    J Pain Symptom Manage 34:648-56. 2007
    ..Validating pain measures for use in this population is an important part of establishing a foundation for future studies on chronic pain after cardiac surgery...
  22. doi request reprint Nutritional status, cachexia and survival in patients with advanced colorectal carcinoma. Different assessment criteria for nutritional status provide unequal results
    Lene Thoresen
    Clinic of Oncology, St Olavs University Hospital, Trondheim, Norway
    Clin Nutr 32:65-72. 2013
    ..We studied the associations between these assessments and overall survival in stage IV colorectal carcinoma patients...
  23. pmc Physical exercise for cancer patients with advanced disease: a randomized controlled trial
    Line M Oldervoll
    European Palliative Care Research Centre, Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Oncologist 16:1649-57. 2011
    ..A randomized, controlled trial was launched to test the hypothesis that physical exercise reduces fatigue and improves physical performance in cancer patients with advanced and incurable disease...
  24. pmc Overexpression of c-erbB2 is a negative prognostic factor in anaplastic astrocytomas
    Sasha Gulati
    Department of Neurosurgery, St Olavs University Hospital, Trondheim, Norway
    Diagn Pathol 5:18. 2010
    ..The synchronous overexpression of c-erbB1-4 proteins in anaplastic astrocytomas supports their role in the pathogenesis of these tumors. Further, c-erbB2 overexpression seems to predict aggressive behaviour...
  25. pmc Combining GFR and albuminuria to classify CKD improves prediction of ESRD
    Stein I Hallan
    Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    J Am Soc Nephrol 20:1069-77. 2009
    ..e., it would detect 65.6% of all individuals progressing to ESRD). In conclusion, all levels of reduced eGFR should be complemented by quantification of urinary albumin to predict optimally progression to ESRD...
  26. doi request reprint Patterns of smoking behaviour in patients following cardiac surgery. A prospective study
    Kari Hanne Gjeilo
    Department of Cardiothoracic Surgery, St Olav s Hospital, Trondheim University Hospital, Trondheim, Norway
    Scand Cardiovasc J 44:295-300. 2010
    ..To describe patterns of smoking behaviour in patients undergoing cardiac surgery...
  27. doi request reprint Clinical characteristics, pain, and disability in relation to alar ligament MRI findings
    Rigmor Myran
    Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Spine (Phila Pa 1976) 36:E862-7. 2011
    ..Cross-sectional study...
  28. doi request reprint Cross-reactivity pattern of rash from current aromatic antiepileptic drugs
    Silje Alvestad
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Epilepsy Res 80:194-200. 2008
    ..Clinicians should be aware of the cross-reactivity of the aromatic AEDs regarding cutaneous adverse events, as well as their differences in this respect. LTG appears to be involved in cross-reactions less often than CBZ, OXC and PHT...
  29. ncbi request reprint Patient education in gastro-oesophageal reflux disease: a randomized controlled trial
    Jorgen Urnes
    Department of Community Medicine and General Practice, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Gastroenterol Hepatol 19:1104-10. 2007
    ..This study aimed to investigate the effects of a group-based education programme for patients with mild GORD...
  30. doi request reprint Survival and quality of life in an elderly cardiac surgery population: 5-year follow-up
    Kari Hanne Gjeilo
    Department of Cardiothoracic Surgery, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
    Eur J Cardiothorac Surg 44:e182-8. 2013
    ..The purpose of this study was to explore HRQOL and survival in patients undergoing cardiac surgery after 5 years, emphasizing on older patients (≥75 years)...
  31. doi request reprint Smoking during pregnancy and psychiatric disorders in preschoolers
    Lise Carol Ellis
    NTNU Social Science, Department of Psychology, Norwegian University of Science and Technology NTNU, Trondheim, Norway
    Eur Child Adolesc Psychiatry 21:635-44. 2012
    ..69 (CI 1.84-3.91, p = 0.02) and comorbid OR = 2.55 (CI 1.24-5.23, p < 0.001). Prenatal smoking during pregnancy is associated with an increased risk for symptoms of ADHD and ODD independently of each other, in 4-year-olds...
  32. doi request reprint Tissue motion and strain in the human brain assessed by intraoperative ultrasound in glioma patients
    Tormod Selbekk
    National Centre for 3D Ultrasound in Surgery, St Olavs Hospital, Trondheim, Norway
    Ultrasound Med Biol 36:2-10. 2010
    ..Strain magnitude is, however, a suitable parameter for discrimination of glial tumor and normal brain parenchyma. (E-mail: Tormod.Selbekk@sintef.no)...
  33. ncbi request reprint Medical complications in a comprehensive stroke unit and an early supported discharge service
    Bent Indredavik
    Stroke Unit, Department of Medicine, University Hospital of Trondheim, Olav Kyrres gt 17, N 7006 Trondheim, Norway
    Stroke 39:414-20. 2008
    ..The aims of the study were to examine the frequency and timing of predefined medical complications in unselected acute stroke patients treated in an acute comprehensive stroke unit and an early supported discharge service...
  34. doi request reprint The Brief Pain Inventory: pain's interference with functions is different in cancer pain compared with noncancer chronic pain
    Jacob C Hølen
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Norway
    Clin J Pain 24:219-25. 2008
    ....
  35. doi request reprint Combined cell wall polysaccharide, mycotoxin and bacterial lipopolysaccharide exposure and inflammatory cytokine responses
    Lene Johannessen
    Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    APMIS 117:507-17. 2009
    ..In conclusion, interactions between microbial compounds can modulate cellular inflammatory cytokine production and experimental investigations of one compound at a time could give misleading conclusions about these combined effects...
  36. ncbi request reprint [Prevalence of refractive errors in Norway]
    Anna Midelfart
    Avdeling for øyesykdommer, Institutt for nevromedisin, Norges Teknisk Naturvitenskapelige Universitet, 7489 Trondheim
    Tidsskr Nor Laegeforen 124:46-8. 2004
    ..The aim of this study was to determine the prevalence of refractive errors among young and middle-aged adults in Norway...
  37. ncbi request reprint Estimating glomerular filtration rate in the general population: the second Health Survey of Nord-Trondelag (HUNT II)
    Stein Hallan
    Department of Cancer Research and Molecular Biology, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Nephrol Dial Transplant 21:1525-33. 2006
    ..However, there is an ongoing discussion whether the MDRD formula should be used in the general population as several studies have found a large underestimation of its GFR estimates...
  38. ncbi request reprint Stroke unit care combined with early supported discharge: long-term follow-up of a randomized controlled trial
    Hild Fjaertoft
    Department of Neuroscience and Motion, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Stroke 34:2687-91. 2003
    ..The aim of this trial was to evaluate the long-term effects of an extended stroke unit service (ESUS), characterized by early supported discharge. The short-term effects were published previously...
  39. ncbi request reprint [Use of estrogen replacement therapy and alternative therapies among Norwegian women aged 50-69]
    Elise Jofrid Dahle
    Det medisinske fakultet, Norges Teknisk Naturvitenskapelige Universitet, 7489 Trondheim
    Tidsskr Nor Laegeforen 126:318-20. 2006
    ..The object of this study was to determine the occurrence of climacteric complaints, and to study the use and efficacy of hormonal and alternative therapies among Norwegian women...
  40. ncbi request reprint Does group training during pregnancy prevent lumbopelvic pain? A randomized clinical trial
    Siv Mørkved
    Clinical Service and National Center for Fetal Medicine, Trondheim University Hospital, Norway
    Acta Obstet Gynecol Scand 86:276-82. 2007
    ..Three hundred and one healthy nulliparous women were included at 20 weeks of pregnancy and randomly allocated to a training group (148) or a control group (153)...
  41. ncbi request reprint [The cooperation between Helse Midt-Norge and NTNU supports clinical research]
    Per G Farup
    Enhet for anvendt klinisk forskning, Institutt for kreftforskning og molekylaermedisin, Det medisinske fakultet, Norges teknisk vitenskapelige universitet, 7006 Trondheim
    Tidsskr Nor Laegeforen 125:2382-3. 2005
  42. ncbi request reprint Serious foetal growth restriction is associated with reduced proportions of natural killer cells in decidua basalis
    Irina P Eide
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Medisinsk teknisk forskningssenter, Olav Kyrres gt 3, Trondheim, Norway
    Virchows Arch 448:269-76. 2006
    ..Our in vivo observations support the hypothesized association between NK cells, impaired placental development and pathogenesis of PE/FGR...
  43. ncbi request reprint Prevalence of refractive errors in young and middle-aged adults in Norway
    Anna Midelfart
    Department of Ophthalmology, Institute of Clinical Neurosciences, Norwegian University of Science and Technology, Trondheim, Norway
    Acta Ophthalmol Scand 80:501-5. 2002
    ..To determine the prevalence of refractive errors in the young and middle-aged adult population in Norway...
  44. ncbi request reprint Cytological criteria for the diagnosis of intraductal hyperplasia, ductal carcinoma in situ, and invasive carcinoma of the breast
    Anna M Bofin
    Department of Laboratory Medicine, Children s and Women s Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Diagn Cytopathol 31:207-15. 2004
    ....
  45. doi request reprint Risk factors for treatment related mortality in childhood acute lymphoblastic leukaemia
    Bendik Lund
    Department of Pediatrics, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
    Pediatr Blood Cancer 56:551-9. 2011
    ..In spite of major improvements in the cure rate of childhood acute lymphoblastic leukaemia (ALL), 2-4% of patients still die from treatment related complications...
  46. ncbi request reprint Factors affecting stiffness properties in impacted morsellized bone used in revision hip surgery: an experimental in vitro study
    Lars Fosse
    Norwegian Orthopedic Implant Research Unit, Norwegian University of Science and Technology, Trondheim, Norway
    J Biomed Mater Res A 78:423-31. 2006
    ..Low water content is the main contributor to highest load stiffness. Optimal stability of impacted morsellized bone is achieved with dried and well-graded particles. The number of heavy impaction strokes can be restricted...
  47. ncbi request reprint Prognostic significance of Ki-67/MIB-1 proliferation index in meningiomas
    S H Torp
    Department of Pathology and Medical Genetics, Laboratory Medicine, Children s and Women s Health, St Olav s, Trondheim, Norway
    Clin Neuropathol 24:170-4. 2005
    ..In conclusion, MIB-1 PI appears as an important prognostic factor and should be used in combination with traditional histological criteria for malignancy in order to identify meningiomas with increased risk of recurrence...
  48. ncbi request reprint Evaluation of an extended stroke unit service with early supported discharge for patients living in a rural community. A randomized controlled trial
    T Askim
    Department of Public Health and General Practice and Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Clin Rehabil 18:238-48. 2004
    ..To evaluate the effect of an extended stroke unit service (extended service), with early supported discharge and co-ordination of further rehabilitation in co-operation with the primary health care system in three rural municipalities...
  49. ncbi request reprint Weight change and mortality: the Nord-Trøndelag Health Study
    W B Drøyvold
    Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, University Medical Centre, N 7489 Trondheim, Norway
    J Intern Med 257:338-45. 2005
    ..The prevalence of obesity is increasing. Overweight and obese people have increased mortality compared with normal weight people. We investigated the effect of weight change on mortality...
  50. ncbi request reprint Frequency and effect of optimal anticoagulation before onset of ischaemic stroke in patients with known atrial fibrillation
    B Indredavik
    Stroke Unit, Department of Medicine, University Hospital of Trondheim, Trondheim, Norway
    J Intern Med 258:133-44. 2005
    ....
  51. ncbi request reprint Interpretation of fine needle aspiration cytology of the breast: a comparison of cytological, frozen section, and final histological diagnoses
    A M Bofin
    Department of Laboratory Medicine, Children s and Women s Health, Norwegian University of Science and Technology, N 7006 Trondheim, Norway
    Cytopathology 15:297-304. 2004
    ..However, cases with a suspicious or equivocal FNA should be considered for frozen section analysis...
  52. ncbi request reprint BMI change and leisure time physical activity (LTPA): an 11-y follow-up study in apparently healthy men aged 20-69 y with normal weight at baseline
    W B Drøyvold
    Department of Community Medicine and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Verdal, Norway
    Int J Obes Relat Metab Disord 28:410-7. 2004
    ..To study the association between self-reported leisure time physical activity (LTPA) at baseline and change in body mass index (BMI)...
  53. doi request reprint Longitudinal diffusion tensor and manganese-enhanced MRI detect delayed cerebral gray and white matter injury after hypoxia-ischemia and hyperoxia
    Tora Sund Morken
    Department of Laboratory Medicine, Children s and Women s Health, Norwegian University of Science and Technology NTNU, Trondheim, Norway
    Pediatr Res 73:171-9. 2013
    ..Hypoxia-ischemia (HI) induces delayed inflammation and long-term gray and white matter brain injury that may be altered by hyperoxia...
  54. doi request reprint Psychological symptoms in children of parents with chronic pain-the HUNT study
    Jannike Kaasbøll
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Pain 153:1054-62. 2012
    ..The present study offers insights that should prove useful in clinical work and further large-scale research...
  55. pmc Peer victimization as reported by children, teachers, and parents in relation to children's health symptoms
    Audhild Løhre
    Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    BMC Public Health 11:278. 2011
    ..We have assessed the prevalence of children's health symptoms according to whether peer victimization was reported by the children, by their teachers, or by their parents...
  56. pmc Changes in BMI-distribution from 1966-69 to 1995-97 in adolescents. The Young-HUNT study, Norway
    Sigrid Bjørnelv
    HUNT Research Centre, Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Neptunvn 1, 7650 Verdal, Norway
    BMC Public Health 7:279. 2007
    ..The aim of this study was to explore changes in the BMI-distribution over time among Norwegian adolescents...
  57. pmc APOE epsilon 4 lowers age at onset and is a high risk factor for Alzheimer's disease; a case control study from central Norway
    Sigrid B Sando
    Department of Neuroscience, Norwegian University of Science and Technology, NTNU, Trondheim, Norway
    BMC Neurol 8:9. 2008
    ....
  58. doi request reprint Endovascular image-guided navigation: validation of two volume-volume registration algorithms
    Frode Manstad-Hulaas
    Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim
    Minim Invasive Ther Allied Technol 20:282-9. 2011
    ..Registration accuracy (mean ± SD) was for Siemens 5.05 ± 4.74 mm, for CAMP 4.02 ± 1.52 mm and for the reference registrations 2.72 ± 1.18 mm. The registration algorithms differed significantly, p < 0.001...
  59. ncbi request reprint Rash from antiepileptic drugs: influence by gender, age, and learning disability
    Silje Alvestad
    Department of Neuroscience, Norwegian University of Science and Technology NTNU, Trondheim, Norway
    Epilepsia 48:1360-5. 2007
    ..We wanted to study the incidence of skin reactions of current AEDs and to explore their relation to clinical parameters such as gender, age, and learning disability...
  60. doi request reprint Regular use of pedometer does not enhance beneficial outcomes in a physical activity intervention study in type 2 diabetes mellitus
    Marit R Bjørgaas
    Department of Internal Medicine, University Hospital of Trondheim, and Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, N 7049 Trondheim, Norway
    Metabolism 57:605-11. 2008
    ..The low aerobic capacity in dropouts indicates that persons most needy of physical exercise are the least compliant in exercise programs...
  61. ncbi request reprint Births and ectopic pregnancies in a large cohort of women tested for Chlamydia trachomatis
    Inger Johanne Bakken
    Department of Epidemiology, SINTEF Health Research, Trondheim, Norway
    Sex Transm Dis 34:739-43. 2007
    ..Recent studies show divergent results concerning the risk of ectopic pregnancy following Chlamydia trachomatis (CT) infection...
  62. ncbi request reprint Increased fibrinolysis and platelet activation in elderly patients undergoing coronary bypass surgery
    Hilde Pleym
    Department of Cardiothoracic Anesthesia and Intensive Care, St Olav University Hospital, Trondheim, Norway
    Anesth Analg 102:660-7. 2006
    ..Elderly patients had an increased activation of the hemostatic system. In particular, elderly patients showed a more pronounced increase in fibrinolysis and platelet activation postoperatively compared with younger patients...
  63. pmc Factors associated with internalizing or somatic symptoms in a cross-sectional study of school children in grades 1-10
    Audhild Løhre
    Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Child Adolesc Psychiatry Ment Health 4:33. 2010
    ..abstract:..
  64. doi request reprint Differentiated patterns of cognitive impairment 12 months after severe and moderate traumatic brain injury
    Torun Gangaune Finnanger
    Regional Centre for Child and Youth Mental Health and Child Welfare Central Norway, Norwegian University of Science and Technology, Trondheim, Norway
    Brain Inj 27:1606-16. 2013
    ..To assess cognitive function at 12 months after moderate and severe traumatic brain injury (TBI) separately, as well as improvement from 3 to 12 months and relationship to global outcome...
  65. doi request reprint Comparison of driving simulator performance with real driving after alcohol intake: a randomised, single blind, placebo-controlled, cross-over trial
    Arne Helland
    Department of Clinical Pharmacology, St Olav University Hospital, Trondheim, Norway
    Accid Anal Prev 53:9-16. 2013
    ..Overall, the results suggest that SDLP in the driving simulator is a sensitive measure of ethanol impaired driving. The comparison with real driving implies relative external validity of the simulator...
  66. doi request reprint Detecting psychiatric disorders in preschoolers: screening with the strengths and difficulties questionnaire
    Trude Hamre Sveen
    Department of Psychology, Norwegian University of Science and Technology, Norway
    J Am Acad Child Adolesc Psychiatry 52:728-36. 2013
    ..To examine screening efficiency for preschool psychopathology by comparing the Strengths and Difficulties Questionnaire findings against diagnostic information, and to determine the added value of impact scores and teacher information...
  67. doi request reprint Propofol and remifentanil versus midazolam and fentanyl for sedation during therapeutic hypothermia after cardiac arrest: a randomised trial
    Thor W Bjelland
    Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway
    Intensive Care Med 38:959-67. 2012
    ..Secondary outcomes were blood pressure, heart rate, use of vasopressors and inotropic drugs, pneumonia and neurological outcome...
  68. doi request reprint A comprehensive microbiological evaluation of fifty-four patients undergoing revision surgery due to prosthetic joint loosening
    Geir Bjerkan
    Department of Orthopaedic Surgery, St Olav s University Hospital, Trondheim, Norway
    J Med Microbiol 61:572-81. 2012
    ..According to the protocol in the present study, 16S rRNA gene real-time PCR did not identify more cases of septic prosthetic loosening than did culture of adequate periprosthetic biopsies...
  69. pmc GeneTools--application for functional annotation and statistical hypothesis testing
    Vidar Beisvag
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    BMC Bioinformatics 7:470. 2006
    ..However, the field is still evolving, and there is a great need for "integrated" solutions...
  70. ncbi request reprint Power comparison of two-sided exact tests for association in 2 x 2 contingency tables using standard, mid p and randomized test versions
    Stian Lydersen
    Unit for Applied Clinical Research, Norwegian University of Science and Technology, Trondheim, Norway
    Stat Med 22:3859-71. 2003
    ..In a few cases, perhaps characterized by poorly balanced designs, LR performs best. Fisher's test seems to be slightly more robust even if the design is poor...
  71. doi request reprint Prognostic value of magnetic resonance imaging in moderate and severe head injury: a prospective study of early MRI findings and one-year outcome
    Toril Skandsen
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    J Neurotrauma 28:691-9. 2011
    ..In moderate head injury, surprisingly, there was no association between MRI findings and outcome when using the GOSE score as outcome measure...
  72. pmc Prevalence of haemochromatosis gene mutations in Parkinson's disease
    Anne Hege Aamodt
    Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    J Neurol Neurosurg Psychiatry 78:315-7. 2007
    ..No significant differences were found in frequencies between the patients and comparable populations. This study does not indicate increased susceptibility to Parkinson's disease in HFE gene mutation carriers in Norway...
  73. ncbi request reprint Digestive symptoms and their psychosocial impact: validation of a questionnaire
    Jorgen Urnes
    Department of Community Medicine and General Practice, Norwegian University of Science and Technology, Trondheim, Norway
    Scand J Gastroenterol 41:1019-27. 2006
    ..Questionnaires evaluating digestive symptoms and their psychosocial impact have not been extensively validated in Norwegian populations. In this study a self-administered questionnaire developed in Norway is evaluated for this purpose...
  74. ncbi request reprint International comparison of the relationship of chronic kidney disease prevalence and ESRD risk
    Stein I Hallan
    Department of Medicine, Division of Nephrology, St Olav University Hospital, N 7006 Trondheim, Norway
    J Am Soc Nephrol 17:2275-84. 2006
    ..In conclusion, CKD prevalence in Norway was similar to that in the United States, suggesting that lower progression to ESRD rather than a smaller pool of individuals at risk accounts for the lower incidence of ESRD in Norway...
  75. ncbi request reprint Health-related quality of life three years after coronary surgery: a comparison with the general population
    Kari Hanne Gjeilo
    Department of Cardiothoracic Surgery, St Olavs HospitalTrondheim University Hospital, Trondheim, Norway
    Scand Cardiovasc J 40:29-36. 2006
    ..To assess health-related quality of life (HRQOL) in patients three years after coronary artery bypass grafting (CABG) compared to the general Norwegian population, with emphasis on age and gender-differences...
  76. ncbi request reprint Chemotherapy for nonresectable colorectal cancer at a center during 25 years
    Tom H Edna
    Unit for Applied Clinical Research, Department of Cancer Research and Molecular Medicine, University of Science and Technology, Trondheim, Norway
    Hepatogastroenterology 55:2049-53. 2008
    ....
  77. doi request reprint Chronic pain and pain-related disability across psychiatric disorders in a clinical adolescent sample
    Wenche L Mangerud
    Regional Centre for Child and Youth Mental Health and Child Welfare, Faculty of Medicine, Norwegian University of Science and Technology, Medical Technical Research Centre, Postbox 8905, N 7491 Trondheim, Norway
    BMC Psychiatry 13:272. 2013
    ..The aim of this study was to investigate the frequency and location of self-reported chronic pain and pain-related disability in adolescent psychiatric patients...
  78. doi request reprint Cost-Effectiveness of Total Disc Replacement Versus Multidisciplinary Rehabilitation in Patients With Chronic Low Back Pain: A Norwegian Multicenter RCT
    Lars Gunnar Johnsen
    Neuroclinic, Center of Spinal Disorder and Department of Orthopaedic Surgery, Clinic of Orthopaedics and Rheumatology, St Olavs Hospital, Trondheim University Hospital, Norway Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway Orthopaedic Department, Clinic for Surgery and Neurology, Oslo University Hospital and University of Oslo, Oslo, Norway FORMI, Clinic for Surgery and Neurology, Oslo University Hospital, Oslo, Norway Regional Centre for Child and Youth Mental Health and Child Welfare Central Norway, Norwegian University of Science and Technology, Trondheim, Norway Aleris Hospital, Oslo, Norway SINTEF Technology and Society, Trondheim, Norway Department of Clinical Medicine, Neuromuscular Diseases and Research Group, University of Tromsø, Tromsø, Norway Quantify Research, Stockholm, Sweden Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden and Ryhov Hospital, Jonkoping, Sweden
    Spine (Phila Pa 1976) 39:23-32. 2014
    ..Randomized clinical trial with 2-year follow-up...
  79. doi request reprint Low birth weight and psychiatric morbidity; stability and change between adolescence and young adulthood
    Line K Lund
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Early Hum Dev 88:623-9. 2012
    ..Being born with low birth weight is a risk factor for psychiatric morbidity. Few longitudinal studies have included diagnostic assessment and followed subjects into adulthood...
  80. doi request reprint Immunohistochemical analysis of hepatocyte growth factor and c-Met in plasma cell disease
    Karin F Wader
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Histopathology 60:443-51. 2012
    ..Our aims were to investigate whether HGF and c-Met are present in bone marrow and extramedullary tumours from patients with monoclonal plasma cell disease, and whether c-Met is activated...
  81. pmc Physical activity in Hodgkin's lymphoma survivors with and without chronic fatigue compared with the general population - a cross-sectional study
    Line M Oldervoll
    Department of Cancer Research and Molecular Medicine, Faculty of Medicine, The Norwegian University of Science and Technology NTNU, Trondheim, Norway
    BMC Cancer 7:210. 2007
    ..The secondary objective was to compare these results with data from age and gender adjusted data from the general population (Gen-Pop)...
  82. pmc Effectiveness of laxatives in elderly--a cross sectional study in nursing homes
    Gunvor S Fosnes
    Department of Medicine, Innlandet Hospital Trust, Gjøvik, Norway
    BMC Geriatr 11:76. 2011
    ..The aims of the study were to assess the effectiveness of laxative therapy in an everyday setting in Norwegian nursing homes, study differences between treatment regimens and factors associated with normal bowel function...
  83. pmc Clinical outcomes and safety assessment in elderly patients undergoing decompressive laminectomy for lumbar spinal stenosis: a prospective study
    Asgeir S Jakola
    Department of Neurosurgery, St Olavs Hospital HF, Trondheim, Norway
    BMC Surg 10:34. 2010
    ..To assess safety, risk factors and clinical outcomes in elderly patients with spinal stenosis after decompressive laminectomy...
  84. pmc School wellbeing among children in grades 1-10
    Audhild Løhre
    Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    BMC Public Health 10:526. 2010
    ..In this cross-sectional study of school children we assessed how factors assumed to promote wellbeing and factors assumed to adversely influence wellbeing were associated with self-reported wellbeing in school...
  85. ncbi request reprint Non-abused preschool children's perception of an anogenital examination
    Kari Gulla
    Children s Clinic, Trondheim University Hospital, Trondheim, Norway
    Child Abuse Negl 31:885-94. 2007
    ..The primary aim of this study was to assess non-abused preschool children's responses to an anogenital examination...
  86. ncbi request reprint Acute stroke unit care combined with early supported discharge. Long-term effects on quality of life. A randomized controlled trial
    Hild Fjaertoft
    Department of Neuroscience and Motion, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Clin Rehabil 18:580-6. 2004
    ..The aim of the present trial was to compare the effects of an extended stroke unit service (ESUS) with the effects of an ordinary stroke unit service (OSUS) on long-term quality of life (QoL)...
  87. ncbi request reprint Effects of n-3 fatty acids in subjects with type 2 diabetes: reduction of insulin sensitivity and time-dependent alteration from carbohydrate to fat oxidation
    Ingrid L Mostad
    Department of Cancer Research and Molecular Medicine, Faculty of Medicine, St Olavs Hospital, Trondheim, Norway
    Am J Clin Nutr 84:540-50. 2006
    ..Effects of fish oil supplements on metabolic variables are insufficiently clarified in type 2 diabetes...
  88. doi request reprint Comparison of navigated 3D ultrasound findings with histopathology in subsequent phases of glioblastoma resection
    Ola Morten Rygh
    Department of Radiology, St Olav University Hospital, Trondheim, Norway
    Acta Neurochir (Wien) 150:1033-41; discussion 1042. 2008
    ..The purpose of the study was to compare the ability of navigated 3D ultrasound to distinguish tumour and normal brain tissue at the tumour border zone in subsequent phases of resection...
  89. doi request reprint Are positive surgical margins in radical prostatectomy specimens an independent prognostic marker?
    Thorstein Saether
    Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Scand J Urol Nephrol 42:514-21. 2008
    ..The aim of this study was to examine the impact of surgical margin status on serum prostate-specific antigen (sPSA) relapse in men consecutively receiving RP in a non-screened population...
  90. doi request reprint Short- and long-term outcome of constraint-induced movement therapy after stroke: a randomized controlled feasibility trial
    A E Dahl
    The Stroke Unit, Department of Medicine and Clinical Services, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
    Clin Rehabil 22:436-47. 2008
    ..The aim of this trial was to determine the effect and feasibility of CIMT compared with traditional rehabilitation in short and long term...
  91. ncbi request reprint Parameters describing motion in carotid artery plaques from ultrasound examination: A reproducibility study
    Torbjørn Dahl
    Department of Surgery, St Olavs Hospital, Trondheim, Norway
    Ultrasound Med Biol 30:1133-43. 2004
    ..4). Averaging three recordings of two heart cycles each gives acceptable accuracy (normalised variance of patient means lambda < 0.3). This acquisition scheme is reasonable in a clinical situation...
  92. doi request reprint Chronic pain after cardiac surgery: a prospective study
    K H Gjeilo
    St Elisabeth Department of Cardiothoracic Surgery, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
    Acta Anaesthesiol Scand 54:70-8. 2010
    ..The aim of the present study was to assess chronic pain and health-related quality of life (HRQOL) after cardiac surgery...
  93. ncbi request reprint Cold intolerance after flexor tendon injury. Disposing factors and long term prognosis
    L Lied
    Department of Orthopaedic Surgery, St Olav s University Hospital, Trondheim, Norway
    Scand J Surg 99:187-90. 2010
    ..cold intolerance after hand injuries is often debilitating. We wished to determine what factors make it more likely to occur and whether it improves or worsens with time...
  94. ncbi request reprint Comparison of survival of exfoliative glaucoma patients and primary open-angle glaucoma patients: impact of acetazolamide use
    J S Ritland
    Eye Department, Alesund Hospital, Alesund, Norway
    Acta Ophthalmol Scand 82:397-400. 2004
    ..To compare the survival rates of patients with exfoliative glaucoma (XFG) and those with primary open-angle glaucoma (POAG), and to establish whether the use of acetazolamide has any influence on survival...
  95. ncbi request reprint Exfoliative glaucoma and primary open-angle glaucoma: associations with death causes and comorbidity
    J S Ritland
    Eye Department, Alesund Hospital, Alesund, Norway
    Acta Ophthalmol Scand 82:401-4. 2004
    ..To investigate whether type of glaucoma or use of acetazolamide are associated with main cause of death and comorbidity...