H T Sørensen

Summary

Country: Denmark

Publications

  1. pmc Birth weight and cognitive function in young adult life: historical cohort study
    H T Sørensen
    Department of Internal Medicine V, Aarhus University Hospital, Denmark
    BMJ 315:401-3. 1997
  2. ncbi request reprint Birth outcome in women treated with azathioprine or mercaptopurine during pregnancy: A Danish nationwide cohort study
    V Langagergaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    Aliment Pharmacol Ther 25:73-81. 2007
  3. doi request reprint Alcohol drinking and risk of subsequent hospitalisation with pneumonia
    J B Kornum
    Dept of Clinical Epidemiology, Aarhus University Hospital, Sdr Skovvej 15, DK 9000 Aalborg, Denmark
    Eur Respir J 39:149-55. 2012
  4. pmc Acute infections and venous thromboembolism
    M Schmidt
    Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
    J Intern Med 271:608-18. 2012
  5. doi request reprint The impact of pre-admission morbidity level on 3-year mortality after intensive care: a Danish cohort study
    C F Christiansen
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Acta Anaesthesiol Scand 55:962-70. 2011
  6. pmc Hodgkin's disease and birth outcome: a Danish nationwide cohort study
    V Langagergaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, Aarhus C DK 8000, Denmark
    Br J Cancer 98:183-8. 2008
  7. doi request reprint Obesity and risk of subsequent hospitalisation with pneumonia
    J B Kornum
    Dept of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Eur Respir J 36:1330-6. 2010
  8. ncbi request reprint Comorbidity and ovarian cancer survival in Denmark, 1995-2005: a population-based cohort study
    M S Tetsche
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Alle, Aarhus, Denmark
    Int J Gynecol Cancer 18:421-7. 2008
  9. ncbi request reprint Secondary medical prevention among Danish patients hospitalised with either peripheral arterial disease or myocardial infarction
    C Gasse
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Eur J Vasc Endovasc Surg 35:51-8. 2008
  10. ncbi request reprint Accuracy of ovarian cancer ICD-10 diagnosis in a Danish population-based hospital discharge registry
    M S Tetsche
    Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg, Denmark
    Eur J Gynaecol Oncol 26:266-70. 2005

Collaborators

Detail Information

Publications76

  1. pmc Birth weight and cognitive function in young adult life: historical cohort study
    H T Sørensen
    Department of Internal Medicine V, Aarhus University Hospital, Denmark
    BMJ 315:401-3. 1997
    ..To examine the relation between birth weight and cognitive function in young adult life...
  2. ncbi request reprint Birth outcome in women treated with azathioprine or mercaptopurine during pregnancy: A Danish nationwide cohort study
    V Langagergaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    Aliment Pharmacol Ther 25:73-81. 2007
    ..Data on birth outcome after exposure to azathioprine or mercaptopurine during pregnancy is sparse...
  3. doi request reprint Alcohol drinking and risk of subsequent hospitalisation with pneumonia
    J B Kornum
    Dept of Clinical Epidemiology, Aarhus University Hospital, Sdr Skovvej 15, DK 9000 Aalborg, Denmark
    Eur Respir J 39:149-55. 2012
    ..Regular moderate alcohol intake is not associated with increased risk of hospitalisation for pneumonia. High weekly alcohol consumption in males and infrequent heavy drinking in both sexes may increase pneumonia risk...
  4. pmc Acute infections and venous thromboembolism
    M Schmidt
    Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
    J Intern Med 271:608-18. 2012
    ..Data on the association between acute infections and venous thromboembolism (VTE) are sparse. We examined whether various hospital-diagnosed infections or infections treated in the community increase the risk of VTE...
  5. doi request reprint The impact of pre-admission morbidity level on 3-year mortality after intensive care: a Danish cohort study
    C F Christiansen
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Acta Anaesthesiol Scand 55:962-70. 2011
    ..Chronic diseases are common among intensive care unit (ICU) patients and may worsen their prognosis. We examined the prevalence and impact of pre-admission/index morbidity among ICU patients compared with a general population cohort...
  6. pmc Hodgkin's disease and birth outcome: a Danish nationwide cohort study
    V Langagergaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, Aarhus C DK 8000, Denmark
    Br J Cancer 98:183-8. 2008
    ..The overall findings are reassuring, they cannot exclude the possibility of an increased risk of congenital abnormalities for newborns of women diagnosed with HD before pregnancy...
  7. doi request reprint Obesity and risk of subsequent hospitalisation with pneumonia
    J B Kornum
    Dept of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Eur Respir J 36:1330-6. 2010
    ..Obesity is associated with higher risk of hospitalisation with pneumonia among males but not among females, which is apparently explained by occurrence of other chronic diseases...
  8. ncbi request reprint Comorbidity and ovarian cancer survival in Denmark, 1995-2005: a population-based cohort study
    M S Tetsche
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Alle, Aarhus, Denmark
    Int J Gynecol Cancer 18:421-7. 2008
    ..The 5-year MRRs were similar to the 1-year MRRs. One quarter of Danish women with ovarian cancer were found to have comorbid conditions, and 5% had severe comorbidity. Severe comorbidity was a predictor of poorer survival...
  9. ncbi request reprint Secondary medical prevention among Danish patients hospitalised with either peripheral arterial disease or myocardial infarction
    C Gasse
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Eur J Vasc Endovasc Surg 35:51-8. 2008
    ..We compared the use of secondary prevention among patients with a first-time hospitalisation for peripheral arterial disease (PAD) of the lower limb with that among patients with a first-time hospitalisation for myocardial infarction (MI)...
  10. ncbi request reprint Accuracy of ovarian cancer ICD-10 diagnosis in a Danish population-based hospital discharge registry
    M S Tetsche
    Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg, Denmark
    Eur J Gynaecol Oncol 26:266-70. 2005
    ..We estimated the accuracy of ICD-10 diagnosis of ovarian cancer in a Danish discharge registry (HDR) by comparing it with Cancer Registry data (DCR)...
  11. ncbi request reprint Newer cyclo-oxygenase-2 selective inhibitors, other non-steroidal anti-inflammatory drugs and the risk of acute pancreatitis
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    Aliment Pharmacol Ther 24:111-6. 2006
    ..Case reports have suggested that the use of newer cyclo-oxygenase-2 selective inhibitors may cause acute pancreatitis, but there has been no formal study of the association...
  12. pmc Comorbidity and survival of Danish breast cancer patients from 1995 to 2005
    D P Cronin-Fenton
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Alle 1150, Aarhus C 8000, Denmark
    Br J Cancer 96:1462-8. 2007
    ..Such poorer survival is an important public health concern and can be expected to worsen as the population ages...
  13. pmc Use of oral glucocorticoids and risk of skin cancer and non-Hodgkin's lymphoma: a population-based case-control study
    A Ø Jensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    Br J Cancer 100:200-5. 2009
    ..46)) among users of oral glucocorticoids. Our study supports an overall association between glucocorticoid use and risk of BCC that cannot be explained by the presence of chronic diseases or concomitant use of other immunosuppressants...
  14. ncbi request reprint Rising incidence and persistently high mortality of hospitalized pneumonia: a 10-year population-based study in Denmark
    R W Thomsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg and Aarhus, Denmark
    J Intern Med 259:410-7. 2006
    ..Little is known about temporal trends in the incidence and mortality of pneumonia in the general population...
  15. pmc Does comorbidity interact with colorectal cancer to increase mortality? A nationwide population-based cohort study
    R Erichsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200 Aarhus N, Denmark
    Br J Cancer 109:2005-13. 2013
    ..It is unknown whether comorbidity interacts with colorectal cancer (CRC) to increase the rate of mortality beyond that explained by the independent effects of CRC and comorbid conditions...
  16. doi request reprint Use of systemic glucocorticoids and the risk of colorectal cancer
    E B Ostenfeld
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Aliment Pharmacol Ther 37:146-52. 2013
    ..Systemic glucocorticoids are potent immunosuppressants, potentially facilitating carcinogenesis. Studies examining glucocorticoids and colorectal cancer risk are few...
  17. doi request reprint Non-steroidal anti-inflammatory drug use and risk of venous thromboembolism
    M Schmidt
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    J Thromb Haemost 9:1326-33. 2011
    ..The association between the use of non-selective non-steroidal anti-inflammatory drugs (NSAIDs) or cyclooxygenase-2-selective inhibitors (COX2Is) and the risk of venous thromboembolism (VTE) remains unclear...
  18. pmc Irritable bowel syndrome and risk of colorectal cancer: a Danish nationwide cohort study
    M Nørgaard
    Department of Clinical Epidemiology, Clinical Institute, Aarhus University Hospital, Sdr Skovvej 15, DK 9000, Aalborg, Denmark
    Br J Cancer 104:1202-6. 2011
    ..Little is known about the risk of colorectal cancer among patients with irritable bowel syndrome (IBS)...
  19. ncbi request reprint Introduction of newer selective cyclo-oxygenase-2 inhibitors and rates of hospitalization with bleeding and perforated peptic ulcer
    S Christensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 25:907-12. 2007
    ....
  20. pmc Use of photosensitising diuretics and risk of skin cancer: a population-based case-control study
    A Ø Jensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Br J Cancer 99:1522-8. 2008
    ..30 (95% CI: 1.34-8.10)) was found among users of indapamide. We found little associations with risk of BCC. Our findings provide evidence that the use of some photosensitising diuretics is associated with an increased risk for SCC and MM...
  21. doi request reprint Antiplatelet drugs and risk of subarachnoid hemorrhage: a population-based case-control study
    M Schmidt
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    J Thromb Haemost 8:1468-74. 2010
    ..Antiplatelet drug use increases bleeding risk, but its role in precipitating subarachnoid hemorrhage remains unclear...
  22. doi request reprint Examining secular trends and seasonality in count data using dynamic generalized linear modelling: a new methodological approach illustrated with hospital discharge data on myocardial infarction
    S Lundbye-Christensen
    Department of Cardiology, Center for Cardiovascular Research, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark
    Eur J Epidemiol 24:225-30. 2009
    ..Analyses conducted with this model provide insights not available from more traditional approaches...
  23. doi request reprint Arterial cardiovascular events, statins, low-dose aspirin and subsequent risk of venous thromboembolism: a population-based case-control study
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    J Thromb Haemost 7:521-8. 2009
    ..There are similar confusions regarding the association of the use of aspirin and statins with venous thromboembolism...
  24. ncbi request reprint Statins and the risk of acute pancreatitis: a population-based case-control study
    H Thisted
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 23:185-90. 2006
    ..Case reports have suggested that statins may cause acute pancreatitis...
  25. ncbi request reprint Patient-related predictors of implant failure after primary total hip replacement in the initial, short- and long-terms. A nationwide Danish follow-up study including 36,984 patients
    S P Johnsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    J Bone Joint Surg Br 88:1303-8. 2006
    ..However, during six months to 8.6 years after surgery, being less than 60 years old was associated with an increased risk of failure, whereas none of the diagnoses for primary total hip replacement appeared to be independent predictors...
  26. ncbi request reprint Improved survival of patients with ovarian cancer in Northern Denmark, 1985-2004
    M S Tetsche
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Eur J Gynaecol Oncol 27:119-22. 2006
    ..Ovarian cancer is a serious disease with a high mortality. Our aim was to examine changes in the survival of patients with ovarian cancer in Northern Denmark...
  27. doi request reprint Oral bisphosphonates and risk of ischemic stroke: a case-control study
    S Christensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8240 Aarhus N, Denmark
    Osteoporos Int 22:1773-9. 2011
    ..This would have substantial clinical and public health implications. We found no evidence of an association between bisphosphonate use and risk of ischemic stroke...
  28. pmc Intravenous bisphosphonate therapy and atrial fibrillation/flutter risk in cancer patients: a nationwide cohort study
    R Erichsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200 Aarhus N, Denmark
    Br J Cancer 105:881-3. 2011
    ..However, bisphosphonates are used in much higher doses in treatment of bone metastasis and hypercalcemia, but little is known about the AF risk in cancer patients...
  29. doi request reprint Autoimmune skin and connective tissue diseases and risk of venous thromboembolism: a population-based case-control study
    S A Johannesdottir
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    J Thromb Haemost 10:815-21. 2012
    ..Autoimmune diseases may therefore increase the risk of venous thromboembolism (VTE)...
  30. pmc Severity of infection and seasonal variation of non-typhoid Salmonella occurrence in humans
    K O Gradel
    Department of Infectious Diseases, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark
    Epidemiol Infect 135:93-9. 2007
    ..2 (95% CI 2.4-4.2) for in-patients with gastroenteritis, and 1.6 (95% CI 1.0-2.8) for in-patients with bacteraemia. We conclude that the role of seasonal variation diminishes with increased severity of non-typhoid Salmonella infection...
  31. doi request reprint Venous thromboembolism and subsequent diagnosis of subarachnoid hemorrhage: a 20-year cohort study
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    J Thromb Haemost 8:1710-5. 2010
    ..Venous thromboembolism is a predictor of subsequent risk of ischemic stroke and intracerebral hemorrhage, but no data are available regarding its association with risk of subarachnoid hemorrhage...
  32. pmc The risk of a second cancer after hospitalisation for venous thromboembolism
    H T Sørensen
    The Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Br J Cancer 93:838-41. 2005
    ..4 (95% CI 1.2-1.7), with strong associations for cancers of the digestive organs, ovary and prostate. The association between VTE and subsequent incident cancer extends to patients who already have had a cancer diagnosis...
  33. ncbi request reprint Prognosis of cancers associated with venous thromboembolism
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    N Engl J Med 343:1846-50. 2000
    ..Little is known about the prognosis of cancer discovered during or after an episode of venous thromboembolism...
  34. ncbi request reprint Outcome of peptic ulcer bleeding among users of traditional non-steroidal anti-inflammatory drugs and selective cyclo-oxygenase-2 inhibitors
    R W Thomsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg, Denmark
    Aliment Pharmacol Ther 24:1431-8. 2006
    ..Few data exist on the impact of non-steroidal anti-inflammatory drug use on peptic ulcer outcome...
  35. doi request reprint Rheumatoid arthritis and birth outcomes: a Danish and Swedish nationwide prevalence study
    M Nørgaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    J Intern Med 268:329-37. 2010
    ..To examine the prevalence of preterm birth, infants with low Apgar score, small for gestational age (SGA) birth, stillbirth and congenital abnormalities in women with rheumatoid arthritis (RA) compared with women without RA...
  36. pmc Hospitalisation for venous thromboembolism in cancer patients and the general population: a population-based cohort study in Denmark, 1997-2006
    D P Cronin-Fenton
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, Aarhus N 8200, Denmark
    Br J Cancer 103:947-53. 2010
    ..Venous thromboembolism (VTE) frequently complicates cancer. Data on tumour-specific VTE predictors are limited, but may inform strategies to prevent thrombosis...
  37. pmc Birth outcome in women with breast cancer
    V Langagergaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, DK 8000, Aarhus C, Denmark
    Br J Cancer 94:142-6. 2006
    ..4 (95% CI: 1.0-2.0), and the PR of low birth weight at term for boys was 2.9 (95% CI: 1.3-6.3). Overall, our results are reassuring regarding the risks of adverse birth outcome for breast cancer patients...
  38. ncbi request reprint Azathioprine, mercaptopurine and birth outcome: a population-based cohort study
    B Nørgård
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 17:827-34. 2003
    ..Data on the safety of azathioprine and mercaptopurine during pregnancy are very sparse...
  39. ncbi request reprint Risk and short-term prognosis of myocardial infarction among users of antidiabetic drugs
    S P Johnsen
    Department of Clinical Epidemiology, Aarhus Sygehus, Aarhus University Hospital, Aarhus and Aalborg, Denmark
    Am J Ther 13:134-40. 2006
    ..Furthermore, the 30-day CFR may vary according to type of antidiabetic drug. These differences indicate the need for further examination of the cardiovascular safety of antidiabetic drugs...
  40. doi request reprint Prenatal exposure to acid-suppressive drugs and the risk of childhood asthma: a population-based Danish cohort study
    A B T Andersen
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Aliment Pharmacol Ther 35:1190-8. 2012
    ..Proton pump inhibitors (PPIs) may activate the immune system and cause asthma...
  41. doi request reprint Concomitant use of clopidogrel and proton pump inhibitors is not associated with major adverse cardiovascular events following coronary stent implantation
    M Schmidt
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 35:165-74. 2012
    ..Cytochrome P450 inhibition by proton pump inhibitors (PPIs) may attenuate the effectiveness of clopidogrel...
  42. pmc Mortality in Danish patients with nonmelanoma skin cancer, 1978-2001
    A Ø Jensen
    Departments of Clinical Epidemiology and Dermatologu, Aarhus University Hospital, Denmark
    Br J Dermatol 159:419-25. 2008
    ..Nonmelanoma skin cancer (NMSC) is a growing public health problem among Caucasians, thus mortality data that may provide insight into the clinical course and foster our understanding of NMSC are important...
  43. ncbi request reprint Risk of bacteraemia and mortality in patients with haematological malignancies
    M Nørgaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Clin Microbiol Infect 12:217-23. 2006
    ..Polymicrobial bacteraemia or fungaemia was associated with higher mortality...
  44. ncbi request reprint Diagnostic value of self-reported symptoms in Danish outpatients referred with symptoms consistent with colorectal cancer
    N C Bjerregaard
    Department of Surgery P, Aarhus Hospital, Aarhus University Hospital, Aarhus, Denmark
    Colorectal Dis 9:443-51. 2007
    ..To assess the association between self-reported symptoms and a diagnosis of colorectal cancer (CRC) in symptomatic outpatients without CRC risk factors, defined by a Danish expert group...
  45. pmc Use of postmenopausal hormone replacement therapy and risk of non-Hodgkin's lymphoma: a Danish population-based cohort study
    M Nørgaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Sdr Skovvej 15, Postbox 365, DK 9100 Aalborg, Denmark
    Br J Cancer 94:1339-41. 2006
    ..7 per 100,000 among HRT users and 24.2 per 100,000 among non-users, yielding an adjusted RR of 0.99 (95% CI: 0.71-1.39). Our data did not support an association between HRT use and risk of NHL...
  46. pmc The risk and prognosis of cancer after hospitalisation for herpes zoster: a population-based follow-up study
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, Building 260, 8000 Aarhus C, Denmark
    Br J Cancer 91:1275-9. 2004
    ..Haematological cancer following hospitalisation for herpes zoster has a poorer prognosis than in non-herpes zoster patients...
  47. ncbi request reprint The data quality of haematological malignancy ICD-10 diagnoses in a population-based hospital discharge registry
    M Nørgaard
    Department of Clinical Epidemiology, Aarhus University Hospital, DK 8000 Aarhus C, Denmark
    Eur J Cancer Prev 14:201-6. 2005
    ..98 (95% CI 0.88-1.09). Discharge data had some misclassifications but these had no major impact on survival estimates...
  48. pmc Incidence of interstitial pneumonitis among breast cancer patients: a 10-year Danish population-based cohort study
    S Christensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Br J Cancer 98:1870-5. 2008
    ..4 (95% CI: 5.7-11.9). Thus, although IP is a rare adverse event among breast cancer patients, its risk is substantially higher than that in the general population...
  49. pmc Use of antibiotics and risk of breast cancer: a population-based case-control study
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, Building 260, DK 8000 Aarhus C, Denmark
    Br J Cancer 92:594-6. 2005
    ..In our study, use of antibiotics was not associated with an increased risk of breast cancer...
  50. doi request reprint Quality of ICD-10 colorectal cancer diagnosis codes in the Danish National Registry of Patients
    L Helqvist
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Eur J Cancer Care (Engl) 21:722-7. 2012
    ..There were no differences in survival estimates in the DNRP compared to the DCR. In conclusion, this study shows high CRC data quality in the DNRP measured by completeness and PPV, except in a few subgroups...
  51. doi request reprint Increased one-year risk of symptomatic venous thromboembolism following total hip replacement: a nationwide cohort study
    A B Pedersen
    Aarhus University Hospital, Department of Clinical Epidemiology, Olof Palmes Alle 43 45, DK 8200 Aarhus N, Denmark
    J Bone Joint Surg Br 94:1598-603. 2012
    ..We concluded that THR was associated with an increased risk of symptomatic VTE up to one year after surgery compared with the general population, although the absolute risk is small...
  52. doi request reprint Methods to assess seasonal effects in epidemiological studies of infectious diseases--exemplified by application to the occurrence of meningococcal disease
    C F Christiansen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Clin Microbiol Infect 18:963-9. 2012
    ..e. when both the disease occurrence and the exposure vary seasonally without seasonality being a step in the causal pathway. In these situations, confounding by seasonality should be controlled as for any confounder...
  53. ncbi request reprint Cancer and subsequent risk of venous thromboembolism
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    J Thromb Haemost 4:527-8. 2006
  54. ncbi request reprint Perforated peptic ulcer: use of pre-admission oral glucocorticoids and 30-day mortality
    S Christensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
    Aliment Pharmacol Ther 23:45-52. 2006
    ..Despite evidence that use of glucocorticoids increases the risk of complicated peptic ulcer disease, limited data exist on how use of oral glucocorticoids affects outcome for patients with peptic ulcer perforation...
  55. pmc Antidepressant use and colorectal cancer risk: a Danish population-based case-control study
    D P Cronin-Fenton
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200, Aarhus N, Denmark
    Br J Cancer 104:188-92. 2011
    ..Earlier research suggests that use of selective serotonin reuptake inhibitors (SSRIs), but not tricyclic antidepressants (TCAs), reduces the risk of colorectal cancer (CRC)...
  56. ncbi request reprint A nationwide study of the incidence and 30-day mortality rate of pyogenic liver abscess in Denmark, 1977-2002
    P Jepsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 21:1185-8. 2005
    ..Pyogenic liver abscess is a life-threatening disease. Accurate data on incidence and prognosis are important, but scarce...
  57. ncbi request reprint The intrauterine origin of male breast cancer: a birth order study in Denmark
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, 8000 Aarhus C, Denmark
    Eur J Cancer Prev 14:185-6. 2005
    ..00-2.92). This result is in line with that seen in female breast cancer cases and indicates that male breast cancer may have roots in the intrauterine life, oestrogens being a likely mediator...
  58. ncbi request reprint Metronidazole and risk of acute pancreatitis: a population-based case-control study
    M Nørgaard
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    Aliment Pharmacol Ther 21:415-20. 2005
    ..Use of metronidazole has been suggested to be associated with an increased risk of acute pancreatitis in case reports...
  59. ncbi request reprint Population-based study of short- and long-term survival from colorectal cancer in Denmark, 1977-1999
    L H Iversen
    Department of Surgery L, Aarhus University Hospital, Denmark
    Br J Surg 92:873-80. 2005
    ..Survival rates for patients with colorectal cancer have been lower in Denmark than in other European countries. The aim of this study was to examine temporal trends in relative survival from colorectal cancer between 1977 and 1999...
  60. ncbi request reprint The association between admission for poisoning with paracetamol or other weak analgesics and subsequent admission for psychiatric disorder: a Danish nationwide case-control study
    P Jepsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 22:645-51. 2005
    ..Many cases of paracetamol poisoning are with suicidal intent, but the association between paracetamol poisoning and subsequent psychiatric disorder is unknown...
  61. ncbi request reprint Venous thromboembolism and the concepts of the incidence and mortality
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
    J Thromb Haemost 5:690-1. 2007
  62. pmc Interpretation of observational studies
    P Jepsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, 8000 Aarhus C, Denmark
    Heart 90:956-60. 2004
  63. doi request reprint Preoperative plasma D-dimer predicts 1-year survival in colorectal cancer patients with absence of venous thromboembolism (VTE): a prospective clinical cohort study
    M T Stender
    Department of Surgical Gastroenterology A, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark
    J Thromb Haemost 10:2027-31. 2012
    ..However, it remains unclear whether D-dimer is of prognostic significance in colorectal cancer patients with absence of VTE...
  64. ncbi request reprint Maternal glycated haemoglobin, pre-gestational weight, pregnancy weight gain and risk of large-for-gestational-age babies: a Danish cohort study of 209 singleton Type 1 diabetic pregnancies
    G L Nielsen
    Department of Clinical Epidemiology, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark
    Diabet Med 24:384-7. 2007
    ....
  65. doi request reprint Familial risk of venous thromboembolism: a nationwide cohort study
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus N, Denmark
    J Thromb Haemost 9:320-4. 2011
    ..Venous thromboembolism has genetic determinants, but population-based data on familial risks are limited...
  66. ncbi request reprint Venous thromboembolism and subsequent short-term risk of an occult cancer
    H T Sørensen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    J Thromb Haemost 6:249-50. 2008
  67. ncbi request reprint COX-2-selective inhibitors and the risk of upper gastrointestinal bleeding in high-risk patients with previous gastrointestinal diseases: a population-based case-control study
    B Nørgård
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Aliment Pharmacol Ther 19:817-25. 2004
    ..This has not yet been confirmed in studies of patients with an increased susceptibility to upper gastrointestinal bleeding...
  68. pmc Survival trends among Danish patients undergoing coronary angiography for known or suspected ischaemic heart disease: a population based follow up study, 1992-2000
    S P Johnsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
    Heart 92:27-31. 2006
    ..To determine, from population based clinical data, changes in the survival of Danish patients examined by coronary angiography for known or suspected ischaemic heart disease (IHD) during the 1990s...
  69. pmc Birth outcome in women exposed to 5-aminosalicylic acid during pregnancy: a Danish cohort study
    B Nørgård
    Department of Clinical Epidemiology, Aarhus University Hospital, DK 8000 Aarhus C, Denmark
    Gut 52:243-7. 2003
    ..5-Aminosalicylic acid (5-ASA) preparations are the firstline drugs in the treatment of inflammatory bowel disease. Data on the safety of these drugs in pregnancy are sparse...
  70. doi request reprint Use of oral bisphosphonates and risk of venous thromboembolism: a population-based case-control study
    A L Lamberg
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200, Aarhus N, Denmark
    Osteoporos Int 21:1911-7. 2010
    ..In this large, population-based case-control study, we found no evidence of an association between bisphosphonate use and risk of venous thromboembolism (VTE)...
  71. ncbi request reprint Reported symptoms, diagnostic delay and stage of colorectal cancer: a population-based study in Denmark
    M Korsgaard
    Department of Surgery L, Aarhus University Hospital, Aarhus, Denmark
    Colorectal Dis 8:688-95. 2006
    ..We examined the association between symptoms and diagnostic delay and between symptoms and stage, and assessed whether the associations differed for colon cancer (CC) and rectal cancer (RC)...
  72. pmc Birth outcome following maternal use of metoclopramide. The Euromap study group
    H T Sørensen
    Department of Internal Medicine V, Aarhus University Hospital, DK 8000 Aarhus C, Department of Internal Medicine M, Aalborg Hospital, DK
    Br J Clin Pharmacol 49:264-8. 2000
    ..Because of its frequent use any adverse effects on infant health would have major public health implications. We therefore examined the safety of metoclopramide during pregnancy...
  73. ncbi request reprint Insulin-like growth factor (IGF) I, -II, and IGF binding protein-3 and risk of ischemic stroke
    S P Johnsen
    Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, DK 8000 Aarhus C, Denmark
    J Clin Endocrinol Metab 90:5937-41. 2005
    ..Low IGF-I levels may be associated with the development of stroke; however, prospective data appear to be unavailable...
  74. doi request reprint Risk of revision of a total hip replacement in patients with diabetes mellitus: a population-based follow up study
    A B Pedersen
    Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200, Aarhus N, Denmark
    J Bone Joint Surg Br 92:929-34. 2010
    ..39 to 3.98)). Patients and surgeons should be aware of the relatively elevated risk of revision due to deep infection following THR in diabetes particularly in those with insufficient control of their glucose level...
  75. ncbi request reprint Tranexamic acid combined with recombinant factor VIII increases clot resistance to accelerated fibrinolysis in severe hemophilia A
    A M Hvas
    Center for Hemophilia and Thrombosis, Department of Clinical Biochemistry, Aarhus University Hospital, Skejby, Brendstrupgaardsvej 100, Aarhus N, Denmark
    J Thromb Haemost 5:2408-14. 2007
    ..In addition to both the delayed and slow development of a clot, previous studies have documented that severe hemophilia A is also associated with reduced clot stability...
  76. ncbi request reprint Pre-hospital parenteral antibiotic treatment of meningococcal disease and case fatality: a Danish population-based cohort study
    B Nørgård
    Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, DK 8000 Aarhus C, Denmark
    J Infect 45:144-51. 2002
    ..Studies about the efficiency of pre-hospital antibiotic treatment of meningococcal disease are conflicting. We examined the case fatality rate in patients with meningococcal disease treated with pre-hospital antibiotics...