J A Knottnerus

Summary

Affiliation: Maastricht University
Country: The Netherlands

Publications

  1. pmc Coronary heart disease in primary care: accuracy of medical history and physical findings in patients with chest pain--a study protocol for a systematic review with individual patient data
    Jörg Haasenritter
    Department of General Practice Family Medicine, University of Marburg, Marburg, D 35032, Germany
    BMC Fam Pract 13:81. 2012
  2. pmc Comparative effectiveness research: challenges for medical journals
    Harold C Sox
    Dartmouth Institute, Dartmouth Medical School, Hanover, New Hampshire, USA
    Trials 11:45. 2010
  3. pmc Does a competitive voucher program for adolescents improve the quality of reproductive health care? A simulated patient study in Nicaragua
    Liesbeth E Meuwissen
    Instituto CentroAmericano de Salud, Postal 2234, Managua, Nicaragua
    BMC Public Health 6:204. 2006
  4. pmc Active rehabilitation for chronic low back pain: cognitive-behavioral, physical, or both? First direct post-treatment results from a randomized controlled trial [ISRCTN22714229]
    Rob J E M Smeets
    Rehabilitation Centre Blixembosch, Eindhoven, The Netherlands
    BMC Musculoskelet Disord 7:5. 2006
  5. pmc Pragmatic trials in primary care. Methodological challenges and solutions demonstrated by the DIAMOND-study
    Gerdine A J Fransen
    Research Institute Caphri, Department of General Practice, Maastricht University, MD Maastricht, The Netherlands
    BMC Med Res Methodol 7:16. 2007
  6. pmc Serotonin receptor 3A polymorphism c.-42C > T is associated with severe dyspepsia
    Suhreta Mujakovic
    University Medical Centre Utrecht, Department of Gastroenterology and Hepatology, The Netherlands
    BMC Med Genet 12:140. 2011
  7. pmc Chronic non-specific abdominal complaints in general practice: a prospective study on management, patient health status and course of complaints
    Henriëtte A M van den Heuvel-Janssen
    Department of General Practice, Research Institute Caphri, Maastricht University, Maastricht, The Netherlands
    BMC Fam Pract 7:12. 2006
  8. ncbi request reprint Assessment of the accuracy of diagnostic tests: the cross-sectional study
    J A Knottnerus
    University of Maastricht, Netherlands School of Primary Care Research, Post Office Box 616, 6200 MD Maastricht, The Netherlands
    J Clin Epidemiol 56:1118-28. 2003
  9. pmc Evaluation of diagnostic procedures
    J Andre Knottnerus
    Netherlands School of Primary Care Research, PO Box 616, 6200 MD Maastricht, The Netherlands
    BMJ 324:477-80. 2002
  10. pmc Challenges in dia-prognostic research
    J A Knottnerus
    Netherlands School of Primary Care Research, University of Maastricht, PO Box 616, 6200 MD Maastricht, The Netherlands
    J Epidemiol Community Health 56:340-1. 2002

Collaborators

Detail Information

Publications42

  1. pmc Coronary heart disease in primary care: accuracy of medical history and physical findings in patients with chest pain--a study protocol for a systematic review with individual patient data
    Jörg Haasenritter
    Department of General Practice Family Medicine, University of Marburg, Marburg, D 35032, Germany
    BMC Fam Pract 13:81. 2012
    ..This article describes the methods of our study and six prospective studies of primary care patients with chest pain. Later articles will describe the main results...
  2. pmc Comparative effectiveness research: challenges for medical journals
    Harold C Sox
    Dartmouth Institute, Dartmouth Medical School, Hanover, New Hampshire, USA
    Trials 11:45. 2010
    ....
  3. pmc Does a competitive voucher program for adolescents improve the quality of reproductive health care? A simulated patient study in Nicaragua
    Liesbeth E Meuwissen
    Instituto CentroAmericano de Salud, Postal 2234, Managua, Nicaragua
    BMC Public Health 6:204. 2006
    ..This study evaluates the impact and sustainability of a competitive voucher program on the quality of SRH care for poor and underserved female adolescents and the usefulness of the simulated patient (SP) method for such evaluation...
  4. pmc Active rehabilitation for chronic low back pain: cognitive-behavioral, physical, or both? First direct post-treatment results from a randomized controlled trial [ISRCTN22714229]
    Rob J E M Smeets
    Rehabilitation Centre Blixembosch, Eindhoven, The Netherlands
    BMC Musculoskelet Disord 7:5. 2006
    ..A direct comparison of a physical, a cognitive-behavioral treatment and a combination of both has never been carried out so far...
  5. pmc Pragmatic trials in primary care. Methodological challenges and solutions demonstrated by the DIAMOND-study
    Gerdine A J Fransen
    Research Institute Caphri, Department of General Practice, Maastricht University, MD Maastricht, The Netherlands
    BMC Med Res Methodol 7:16. 2007
    ..From the successes as well as the problems we experienced the quality of future pragmatic trials may benefit...
  6. pmc Serotonin receptor 3A polymorphism c.-42C > T is associated with severe dyspepsia
    Suhreta Mujakovic
    University Medical Centre Utrecht, Department of Gastroenterology and Hepatology, The Netherlands
    BMC Med Genet 12:140. 2011
    ..We investigated the association between these functional polymorphisms and dyspeptic symptom severity...
  7. pmc Chronic non-specific abdominal complaints in general practice: a prospective study on management, patient health status and course of complaints
    Henriëtte A M van den Heuvel-Janssen
    Department of General Practice, Research Institute Caphri, Maastricht University, Maastricht, The Netherlands
    BMC Fam Pract 7:12. 2006
    ..Aim of this study was to present a primary care based profile of these chronic complaints including health care involvement, health status and clinical course...
  8. ncbi request reprint Assessment of the accuracy of diagnostic tests: the cross-sectional study
    J A Knottnerus
    University of Maastricht, Netherlands School of Primary Care Research, Post Office Box 616, 6200 MD Maastricht, The Netherlands
    J Clin Epidemiol 56:1118-28. 2003
    ..Also, systematic reviews and meta-analysis have a role. To enable readers of diagnostic research reports to evaluate whether methodological key issues were addressed, authors are advised to follow the STARD guidelines...
  9. pmc Evaluation of diagnostic procedures
    J Andre Knottnerus
    Netherlands School of Primary Care Research, PO Box 616, 6200 MD Maastricht, The Netherlands
    BMJ 324:477-80. 2002
  10. pmc Challenges in dia-prognostic research
    J A Knottnerus
    Netherlands School of Primary Care Research, University of Maastricht, PO Box 616, 6200 MD Maastricht, The Netherlands
    J Epidemiol Community Health 56:340-1. 2002
  11. ncbi request reprint Between iatrotropic stimulus and interiatric referral: the domain of primary care research
    J Andre Knottnerus
    Netherlands School of Primary Care, Research University of Maastricht, P O Box 616 6200, MD Maastricht 31 43 3882319, The Netherlands
    J Clin Epidemiol 55:1201-6. 2002
    ..Although Feinstein was a clinical specialist and has always lived in a country without a very strong primary care tradition, he not only recognized the value of primary care research but also substantially contributed to its development...
  12. pmc Chronic fatigue syndrome-like caseness as a predictor of work status in fatigued employees on sick leave: four year follow up study
    M J H Huibers
    Department of Medical, Clinical and Experimental Psychology, Maastricht University, Maastricht, Netherlands
    Occup Environ Med 63:570-2. 2006
    ..To assess whether CFS-like caseness (meeting the criteria for chronic fatigue syndrome (CFS)) predicts work status in the long term...
  13. ncbi request reprint Compliance of asthmatic families with a primary prevention programme of asthma and effectiveness of measures to reduce inhalant allergens--a randomized trial
    H J A M Schönberger
    Department of General Practice, Research Institute Caphri, University Maastricht, Maastricht, The Netherlands
    Clin Exp Allergy 34:1024-31. 2004
    ..Compliance to and the effect of pre- and post-natal exposure reduction measures to prevent asthma in high-risk children from asthmatic families were studied...
  14. pmc Psychological characteristics of patients with newly developed psychogenic seizures
    T van Merode
    Department of General Practice, Maastricht University, The Netherlands
    J Neurol Neurosurg Psychiatry 75:1175-7. 2004
    ..To assess psychopathological symptoms and history of childhood trauma in patients with newly developed psychogenic seizures...
  15. ncbi request reprint Clinical items not helpful in differentiating viral from bacterial lower respiratory tract infections in general practice
    R M Hopstaken
    Department of General Practice, Maastricht University, Care and Public Health Research Institute, PO Box 616, Maastricht 6200 MD, The Netherlands
    J Clin Epidemiol 58:175-83. 2005
    ..Whether this is possible is often doubted but has rarely been studied in general practice...
  16. ncbi request reprint The PREVASC study: the clinical effect of a multifaceted educational intervention to prevent childhood asthma
    H J A M Schönberger
    Dept of General Practice, Research Institute Caphri, University Maastricht, Maastricht, The Netherlands
    Eur Respir J 25:660-70. 2005
    ..Follow-up is necessary to confirm whether the intervention can actually prevent the development of asthma...
  17. ncbi request reprint The validity and ethics of giving placebo in a randomized nonpharmacologic trial was evaluated
    M G Spigt
    Department of General Practice, University of Maastricht, Research Institute Caphri, P O Box 616, 6200 MD Maastricht, The Netherlands
    J Clin Epidemiol 58:350-6. 2005
    ..In a study on the effectiveness of increased water intake on voiding dysfunction in elderly men we used an unusual design. This article addresses the internal validty and ethics of this design...
  18. ncbi request reprint Increasing the daily water intake for the prophylactic treatment of headache: a pilot trial
    M G Spigt
    Department of General Practice, Research Institute Caphri, University of Maastricht, Maastricht, The Netherlands
    Eur J Neurol 12:715-8. 2005
    ..Our results seem to justify larger scaled research on the effectiveness of increased water intake in headache patients...
  19. ncbi request reprint Similarities, overlap and differences between burnout and prolonged fatigue in the working population
    S S Leone
    Department of Epidemiology, Research Institute Caphri, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    QJM 100:617-27. 2007
    ..Burnout and prolonged fatigue are related but distinct concepts that have seldom been empirically compared...
  20. ncbi request reprint Role of the electronic patient record in the development of general practice in The Netherlands
    J A Knottnerus
    Dept of Primary Care, University of Maastricht, The Netherlands
    Methods Inf Med 38:350-4. 1999
    ..While the EPR is a useful tool to facilitate a better performance, it may enable the doctor to focus more on the health care essentials...
  21. ncbi request reprint Lower prevalence of heart disease but higher mortality risk during follow-up was found among nonrespondents to a cohort study
    M Y Veenstra
    Addiction Research Institute, Erasmus University Rotterdam, Rotterdam, The Netherlands
    J Clin Epidemiol 59:412-20. 2006
    ..A secondary aim was to assess whether reasons for nonresponse were associated with health status at baseline...
  22. ncbi request reprint The effects of 6 months of increased water intake on blood sodium, glomerular filtration rate, blood pressure, and quality of life in elderly (aged 55-75) men
    Mark G Spigt
    Department of General Practice, Research Institute Caphri, Maastricht University, Maastricht, The Netherlands
    J Am Geriatr Soc 54:438-43. 2006
    ..To study whether there are any negative or positive effects of 6 months of increased fluid intake in reasonably healthy elderly men...
  23. ncbi request reprint Can the 'hygiene hypothesis' be explained by confounding by behavior?
    C P van Schayck
    Care and Public Health Research Institute, University of Maastricht, P O Box 616 6200, MD Maastricht, The Netherlands
    J Clin Epidemiol 57:435-7. 2004
  24. ncbi request reprint Measurement of lifetime alcohol intake: utility of a self-administered questionnaire
    I H M Friesema
    Department of Health Care Studies, Section of Medical Sociology, University of Maastricht, Maastricht, The Netherlands
    Am J Epidemiol 159:809-17. 2004
    ..Indices of validity were similar for men (0.75) and women (0.70). Results show that the LDH-q can be a useful instrument in large-scale cohort studies...
  25. ncbi request reprint Feasibility of a national cholesterol guideline in daily practice. A randomized controlled trial in 20 general practices
    T van der Weijden
    Centre for Quality of Care Research, University of Maastricht, The Netherlands
    Int J Qual Health Care 11:131-7. 1999
    ....
  26. pmc Primary prevention of arterial thromboembolism in non-rheumatic atrial fibrillation in primary care: randomised controlled trial comparing two intensities of coumarin with aspirin
    B S Hellemons
    Department of General Practice, University of Maastricht, 6200 MD Maastricht, Netherlands
    BMJ 319:958-64. 1999
    ..To investigate the effectiveness of aspirin and coumarin in preventing thromboembolism in patients with non-rheumatic atrial fibrillation in general practice...
  27. ncbi request reprint Marginal impact of psychosocial factors on multimorbidity: results of an explorative nested case-control study
    M van den Akker
    Maastricht University, Department of General Practice, The Netherlands
    Soc Sci Med 50:1679-93. 2000
    ..Profiles for subjects at risk for morbidity and multimorbidity seem to differ...
  28. ncbi request reprint Somatisation in primary care: clinical judgement and standardised measurement compared
    A F Schilte
    Department of General Practice, University of Maastricht, The Netherlands
    Soc Psychiatry Psychiatr Epidemiol 35:276-82. 2000
    ..We investigated the relation between GPs' clinical judgement of somatisation and a somatisation research instrument (DSM-III-R), and examined how both operationalisations of somatisation related to other important variables...
  29. ncbi request reprint Psychosocial patient characteristics and GP-registered chronic morbidity: a prospective study
    M van den Akker
    Department of General Practice, Maastricht University, P O Box 616, 6200 MD, Maastricht, The Netherlands
    J Psychosom Res 50:95-102. 2001
    ..We studied the incidence rates of morbidity and multimorbidity, and the influence of psychosocial characteristics on their occurrences...
  30. ncbi request reprint Problems in determining occurrence rates of multimorbidity
    M van den Akker
    Department of General Practice, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    J Clin Epidemiol 54:675-9. 2001
    ..As some analyses are addressing multicomparisons, external validity testing is recommended...
  31. pmc Randomised controlled trial of disclosure of emotionally important events in somatisation in primary care
    A F Schilte
    Department of General Practice, University of Maastricht, PO Box 616, 6200 MD Maastricht, Netherlands
    BMJ 323:86. 2001
    ..To test whether a disclosure intervention improves subjective health and reduces medical consumption and sick leave in somatising patients in general practice...
  32. ncbi request reprint Indicators of childhood adversity in somatisation in general practice
    A F Schilte
    Department of General Practice, University of Maastricht, The Netherlands
    Scand J Prim Health Care 19:232-6. 2001
    ..To identify medical and psychosocial indicators of childhood adversity in somatising patients in primary care...
  33. ncbi request reprint Pathophysiological aspects of bladder dysfunction: a new hypothesis for the prevention of 'prostatic' symptoms
    M G Spigt
    Department of General Practice, Research Institute Caphri, University of Maastricht, P O Box 616, Maastricht MD 6200, The Netherlands
    Med Hypotheses 62:448-52. 2004
    ..Future symptoms may thus be prevented. In humans an increased urine output can be achieved by drinking additional water, which could be an adequate preventive intervention...
  34. pmc Contributions of symptoms, signs, erythrocyte sedimentation rate, and C-reactive protein to a diagnosis of pneumonia in acute lower respiratory tract infection
    R M Hopstaken
    Department of General Practice, Maastricht University, Care and Public Health Research Institute, Maastricht, The Netherlands
    Br J Gen Pract 53:358-64. 2003
    ....
  35. pmc Fatigue, burnout, and chronic fatigue syndrome among employees on sick leave: do attributions make the difference?
    M J H Huibers
    Department of Epidemiology, Maastricht University, Netherlands
    Occup Environ Med 60:i26-31. 2003
    ..However, these conditions have not been compared in empirical research, despite conceptual similarities...
  36. ncbi request reprint A risk model for the prediction of recurrent falls in community-dwelling elderly: a prospective cohort study
    P A Stalenhoef
    Department of General Practice, Maastricht University, Postbox 616, The Netherlands
    J Clin Epidemiol 55:1088-94. 2002
    ....
  37. ncbi request reprint Diagnostic value of signs and symptoms associated with peripheral arterial occlusive disease seen in general practice: a multivariable approach
    H E Stoffers
    Department of General Practice, University of Limburg, Maastricht, The Netherlands
    Med Decis Making 17:61-70. 1997
    ....
  38. ncbi request reprint Barriers in the care of patients who have experienced a traumatic event: the perspective of general practice
    M van den Akker
    Department of General Practice, ExTra, Research Institute for Extramural and Transmural Care, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Fam Pract 18:214-6. 2001
    ....
  39. ncbi request reprint Climacteric complaints in the community
    L W Maartens
    Diagnostic Centre Eindhoven, PO Box 6247, 5600 HG Eindhoven, Department of Family Medicine, University of Maastricht, The Netherlands
    Fam Pract 18:189-94. 2001
    ....
  40. ncbi request reprint Can a comprehensive voucher programme prompt changes in doctors' knowledge, attitudes and practices related to sexual and reproductive health care for adolescents? A case study from Latin America
    Liesbeth E Meuwissen
    Department of General Practice, University of Maastricht, The Netherlands
    Trop Med Int Health 11:889-98. 2006
    ..To evaluate whether participation in a competitive voucher programme designed to improve access to and quality of sexual and reproductive health care (SRH-care), prompted changes in doctors' knowledge, attitudes and practices...
  41. ncbi request reprint Community genetics and community medicine
    J A Knottnerus
    University of Maastricht, The Netherlands
    Fam Pract 20:601-6. 2003
    ....
  42. ncbi request reprint Gender-related differences in non-epileptic attacks: a study of patients' cases in the literature
    T van Merode
    Department of General Practice, University of Maastricht, The Netherlands
    Seizure 6:311-6. 1997
    ..A prospective study on the incidence and phenomenology of pseudo-epileptic seizures in the general population is suggested to answer the new questions raised in this survey...