Anders Hammerich Riis

  1. 2013
  2. Published

    Clopidogrel Use and Short-Term Mortality After Peptic Ulcer Bleeding: A Population-Based Cohort Study. / Schmidt, Morten; Riis, Anders H; Christiansen, Christian F; Lash, Timothy L; Sørensen, Henrik T.

    In: American Journal of Therapeutics, 15.02.2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. Published

    Volitional determinants and age-related decline in fecundability : a general population prospective cohort study in Denmark. / Rothman, Kenneth J; Wise, Lauren A; Sørensen, Henrik T; Riis, Anders H; Mikkelsen, Ellen M; Hatch, Elizabeth E.

    In: Fertility and Sterility, 18.03.2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. Published

    Use of systemic glucocorticoids and the risk of colorectal cancer. / Ostenfeld, E B; Erichsen, R; Thorlacius-Ussing, O; Hammerich Riis, Anders; Sørensen, H T.

    In: Alimentary Pharmacology and Therapeutics, 2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. Published

    Pre-gravid oral contraceptive use and time to pregnancy : a Danish prospective cohort study. / Mikkelsen, Ellen M; Riis, Anders H; Wise, Lauren A; Hatch, Elizabeth E; Rothman, Kenneth J; Sørensen, Henrik Toft.

    In: Human reproduction (Oxford, England), Vol. 28, No. 5, 05.2013, p. 1398-405.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  6. Published

    Registration of acute medical hospital admissions in the Danish National Patient Registry : a validation study. / Hansen, Betina; Riis, Anders Hammerich; Christiansen, Christian Fynbo.

    In: Clinical Epidemiology, Vol. 5, 2013, p. 129-33.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Correlates of menstrual cycle characteristics among nulliparous Danish women. / Hahn, Kristen A; Wise, Lauren A; Riis, Anders H; Mikkelsen, Ellen M; Rothman, Kenneth J; Banholzer, Kristen; Hatch, Elizabeth E.

    In: Clinical epidemiology, Vol. 5, 2013, p. 311-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. Published

    Rosiglitazone use and post-discontinuation glycaemic control in two European countries, 2000-2010. / Ehrenstein, V; Hernandez, R K; Ulrichsen, Sinna Pilgaard; Rungby, J; Lash, T L; Riis, A H; Li, L.; Sørensen, Henrik Toft; Jick, S S.

    In: BMJ Open, Vol. 3, No. 9, 2013, p. e003424.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. 2012
  10. Published

    Use of glucocorticoids and colorectal cancer risk; a population-based case-control study in northern Denmark, 1991-2010. / Ostenfeld, Eva Bjerre; Erichsen, Rune; Hammerich Riis, Anders; Nilsson, Tove; Thorlacius-Ussing, O.; Sørensen, Henrik Toft.

    2012. Poster session presented at PhD Day 2012, Aarhus, Denmark.

    Research output: Contribution to conferencePosterResearch

  11. Published

    A prospective cohort study of physical activity and time to pregnancy. / Wise, Lauren A; Rothman, Kenneth J; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Riis, Anders H; Hatch, Elizabeth E.

    In: Fertility and Sterility, Vol. 97, No. 5, 2012, p. 1136-42.e1-4.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  12. Published

    The impact of statin use on pneumonia risk and outcome : a combined population-based case-control and cohort study. / Nielsen, Anders Gunnar; Nielsen, Rikke Beck; Riis, Anders Hammerich; Johnsen, Søren Paaske; Sørensen, Henrik Toft; Thomsen, Reimar Wernich.

    In: Critical Care (Online Edition), Vol. 16, No. 4, 2012, p. R122.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. Published

    Caffeinated beverage and soda consumption and time to pregnancy. / Hatch, Elizabeth E; Wise, Lauren A; Mikkelsen, Ellen M; Christensen, Tina; Riis, Anders H; Sørensen, Henrik Toft; Rothman, Kenneth J.

    In: Epidemiology, Vol. 23, No. 3, 2012, p. 393-401.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    Predictors of preconceptional folic acid or multivitamin supplement use : a cross-sectional study of Danish pregnancy planners. / Cueto, Heidi T; Riis, Anders H; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Mikkelsen, Ellen M.

    In: Clinical Epidemiology, Vol. 4, 2012, p. 259-65.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. 2011
  16. Published

    The impact of diabetes and poor glycaemic control on risk of bacteraemia with haemolytic streptococci groups A, B and G in adults: a 15-year population-based case-control study. / Thomsen, Reimar W.; Hammerich Riis, Anders; Kjeldsen, Sia; Sørensen, Henrik Toft; Schønheyder, Henrik Carl.

    2011. Abstract from 21st European Congress of Clinical Microbiology and Infectious Diseases, Milano, Italy.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  17. Published

    The impact of diabetes and poor glycaemic control on risk of bacteraemia with haemolytic streptococci groups A, B and G in adults: a 15-year population-based case-control study. / Thomsen, Reimar W.; Hammerich Riis, Anders; Kjeldsen, Sia; Sørensen, Henrik Toft; Schønheyder, Henrik Carl.

    2011. Poster session presented at 21th European Congress of Clinical Microbiology and Infectious Diseases, Milano, Italy.

    Research output: Contribution to conferencePosterResearchpeer-review

  18. Published

    Statin use and hospitalization with pneumonia: Population-based observational study of risk and prognosis. / Nielsen, AG; Nielsen, Rikke Beck; Hammerich Riis, Anders; Sørensen, Henrik Toft; Thomsen, Reimar W.

    2011. Poster session presented at 21st European Congress of Clinical Microbiology and Infectious Diseases, Milano, Italy.

    Research output: Contribution to conferencePosterResearchpeer-review

  19. Published

    Predictors and patterns of red blood cell transfusion use among newly diagnosed cancer patients with chemotherapy-associated anemia in Western Denmark (1998-2003). / Yong, Mellissa; Riis, Anders H; Fryzek, Jon P; Møller, Bjarne K; Johnsen, Søren P.

    In: Clinical Epidemiology, Vol. 3, 01.01.2011, p. 91-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  20. Published

    A prospective cohort study of menstrual characteristics and time to pregnancy. / Wise, Lauren A; Mikkelsen, Ellen M; Rothman, Kenneth J; Riis, Anders H; Sørensen, Henrik Toft; Huybrechts, Krista F; Hatch, Elizabeth E.

    In: American Journal of Epidemiology, Vol. 174, No. 6, 2011, p. 701-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  21. Published

    Impact of diabetes and poor glycaemic control on risk of bacteraemia with haemolytic streptococci groups A, B, and G. / Thomsen, Reimar Wernich; Riis, Anders Hammerich; Kjeldsen, Sia; Schønheyder, Henrik Carl.

    In: Journal of Infection, Vol. 63, No. 1, 2011, p. 8-16.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  22. Published

    β-Blockers and survival among Danish patients with malignant melanoma: a population-based cohort study. / Lemeshow, Stanley; Sørensen, Henrik Toft; Phillips, Gary; Yang, Eric V; Antonsen, Sussie; Riis, Anders H; Lesinski, Gregory B; Jackson, Rebecca; Glaser, Ronald.

    In: Cancer Epidemiology, Biomarkers & Prevention, Vol. 20, No. 10, 2011, p. 2273-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  23. Published

    Diabetes, Glycemic Control, and Risk of Tuberculosis: A population-based case-control study. / Leegaard, Anne; Riis, Anders; Kornum, Jette B; Prahl, Julie B; Thomsen, Vibeke Østergaard; Sørensen, Henrik Toft; Horsburgh, C Robert; Thomsen, Reimar W.

    In: Diabetes Care, Vol. 34, No. 12, 04.10.2011, p. 2530-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    Antidepressant use and colorectal cancer risk: a Danish population-based case-control study. / Cronin-Fenton, D P; Riis, A H; Lash, T L; Dalton, S O; Friis, S; Robertson, D; Sørensen, Henrik Toft.

    In: British Journal of Cancer, Vol. 104, No. 11, 24.05.2011, p. 1804.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. Published

    Antidepressant use and colorectal cancer risk: a Danish population-based case-control study. / Cronin-Fenton, D P; Riis, A H; Lash, T L; Dalton, S O; Friis, S; Robertson, D; Sørensen, Henrik Toft.

    In: British Journal of Cancer, Vol. 104, No. 1, 2011, p. 188-92.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  26. 2010
  27. Published
  28. Published

    Mortality Trends among Adults with Pneumococcal Meningitis before and after the Introduction of Adjunctive Corticosteroid Therapy: a Nationwide Population-Based Cohort Study. / Harboe, Z B; Thomsen, Reimar W.; Hammerich Riis, Anders; Konradsen, H B; Benfield, T.

    2010. Poster session presented at 50th Annual Interscience Conference on antimicrobial agents and Chemotherapy (ICAAC), Boston, United States.

    Research output: Contribution to conferencePosterResearchpeer-review

  29. Published

    Mortality risk in splenectomised patients: a Danish population-based cohort study. / Yong, Mellissa; Thomsen, Reimar W; Schoonen, W Marieke; Farkas, Dóra K; Riis, Anders; Fryzek, Jon P; Sørensen, Henrik Toft.

    In: European Journal of Internal Medicine, Vol. 21, No. 1, 2010, p. 12-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  30. Published

    An internet-based prospective study of body size and time-to-pregnancy. / Wise, Lauren A; Rothman, Kenneth J; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Riis, Anders; Hatch, Elizabeth E.

    In: Human Reproduction, Vol. 25, No. 1, 2010, p. 253-64.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  31. Published

    Risk of venous thromboembolism in splenectomized patients compared with the general population and appendectomized patients: a 10-year nationwide cohort study. / Thomsen, Reimar W.; Schoonen, W M; Farkas, D K; Riis, A; Fryzek, J P; Sørensen, Henrik Toft.

    In: Journal of Thrombosis and Haemostasis, Vol. 8, No. 6, 2010, p. 1413-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  32. Published

    Familial risk of venous thromboembolism - a nationwide cohort study. / Sørensen, Henrik Toft; Riis, A H; Diaz, L J; Andersen, E W; Baron, J A; Andersen, P K.

    In: Journal of Thrombosis and Haemostasis, 2010.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  33. Published

    Statin use and risk of amyotrophic lateral sclerosis and other motor neuron disorders. / Sørensen, Henrik Toft; Riis, Anders; Lash, Timothy L; Pedersen, Lars.

    In: Circulation: Cardiovascular Quality and Outcomes, Vol. 3, No. 4, 2010, p. 413-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  34. Published

    Survival of primary total hip arthroplasty in rheumatoid arthritis patients. / Rud-Sørensen, Christoffer; Pedersen, Alma B; Johnsen, Søren Paaske; Riis, Anders Hammerich; Overgaard, Søren.

    In: Acta Orthopaedica (Print Edition), Vol. 81, No. 1, 2010, p. 60-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  35. Published

    Neither long-term statin use nor atherosclerotic disease is associated with risk of colorectal cancer. / Robertson, Douglas J; Riis, Anders Hammerich; Friis, Søren; Pedersen, Lars; Baron, John A; Sørensen, Henrik Toft.

    In: Clinical Gastroenterology and Hepatology, Vol. 8, No. 12, 01.12.2010, p. 1056-61.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  36. Published

    Risk factors for revision due to infection after primary total hip arthroplasty. A population-based study of 80,756 primary procedures in the Danish Hip Arthroplasty Registry. / Pedersen, Alma B; Svendsson, Jens E; Johnsen, Søren P; Riis, Anders; Overgaard, Søren.

    In: Acta Orthopaedica (Print Edition), Vol. 81, No. 5, 2010, p. 542-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  37. Published

    Preadmission use of systemic glucocorticoids and 30-day mortality following bleeding peptic ulcer: a population-based cohort study. / Olsen, Morten; Christensen, Steffen; Riis, Anders; Thomsen, Reimar W.

    In: American Journal of Therapeutics, Vol. 17, No. 1, 2010, p. 23-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  38. Published

    Abacavir and risk of myocardial infarction in HIV-infected patients on highly active antiretroviral therapy: a population-based nationwide cohort study. / Obel, Niels; Farkas, D K; Kronborg, G; Larsen, Carsten Schade; Pedersen, G; Riis, Anders; Pedersen, C; Gerstoft, J; Sørensen, Henrik Toft.

    In: HIV Medicine, Vol. 11, No. 2, 2010, p. 130-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  39. Published

    A successful implementation of e-epidemiology: the Danish pregnancy planning study 'Snart-Gravid'. / Huybrechts, Krista F; Mikkelsen, Ellen M; Christensen, Tina; Riis, Anders; Hatch, Elizabeth E; Wise, Lauren A; Sørensen, Henrik Toft; Rothman, Kenneth J.

    In: European Journal of Epidemiology, Vol. 25, No. 5, 2010, p. 297-304.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  40. Published

    Nontuberculous Pulmonary Mycobacteriosis in Denmark: Incidence and Prognostic Factors. / Andréjak, Claire; Thomsen, Vibeke O; Johansen, Isik S; Riis, Anders; Benfield, Thomas L; Duhaut, Pierre; Sørensen, Henrik T; Lescure, François-Xavier; Thomsen, Reimar W.

    In: American Journal of Respiratory and Critical Care Medicine, Vol. 181, No. 5, 2010, p. 514-21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  41. 2009
  42. Published

    The Danish Web-based Pregnancy Planning Study - 'Snart-Gravid'. / Mikkelsen, Ellen Margrethe; Hatch, E; Wise, L A; Rothman, K J; Riis, Anders; Sørensen, Henrik Toft.

    2009. Abstract from ICN 24th Quadrennial Congress, Durban, South Africa.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  43. Published

    Short-term mortality in relation to age and comorbidity in older adults with community-acquired bacteremia. A population-based cohort study. / Søgaard, Mette; Schønheyder, Henrik Carl; Riis, Anders; Sørensen, Henrik Toft; Nørgaard, Mette.

    2009. Poster session presented at Ph.D. day 2009, Århus, Denmark.

    Research output: Contribution to conferencePosterResearch

  44. Published

    Randomized trial of the effect of questionnaire length on enrollment and missing data in a web-based cohort study in Denmark. / Rothman, K J; Mikkelsen, Ellen Margrethe; Sørensen, Henrik Toft; Hatch, E; Riis, Anders; Wise, L A.

    2009. Poster session presented at ICN 24th Quadrennial Congress, Durban, South Africa.

    Research output: Contribution to conferencePosterResearch

  45. Published

    Diabetes, glycemic control, and risk of hospitalization with pneumonia: a population-based case-control study. / Kornum, Jette Brommann; Thomsen, Reimar W.; Riis, Anders; Lervang, H.H.; Schønheyder, Henrik Carl; Sørensen, Henrik Toft.

    2009. Poster session presented at Ph.d. day 2009, Århus, Denmark.

    Research output: Contribution to conferencePosterResearch

  46. Published

    Short-term mortality in relation to age and comorbidity in older adults with community-acquired bacteremia :  A population-based cohort study. / Søgaard, Mette; Schønheyder, Henrik Carl; Riis, Anders; Sørensen, Henrik Toft; Nørgaard, Mette.

    Programme and abstracts form the PhD day 2009: The Faculty of Health Sciences, University of Aarhus, Denmark. 2009. p. 185.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  47. Published

    Diabetes, glycemic control, and risk of hospitalization with pneumonia: a population-based case-control study. / Kornum, Jette Brommann; Thomsen, Reimar W.; Riis, Anders; Lervang, H.H.; Schønheyder, Henrik Carl; Sørensen, Henrik Toft.

    Programme and abstracts from the PhD day 2009: The Faculty of Health Sciences, University of Aarhus, Denmark. 2009. p. 80.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  48. Published

    Randomized trial of questionnaire length. / Rothman, Kenneth J; Mikkelsen, Ellen M; Riis, Anders; Sørensen, Henrik T; Wise, Lauren A; Hatch, Elizabeth E.

    In: Epidemiology, Vol. 20, No. 1, 2009, p. 154.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperLetterResearch

  49. Published

    Diabetes, glycemic control and risk of medical glaucoma treatment: A population-based case-control study. / Welinder, Lotte Gjesing; Riis, Anders; Knudsen, Lars Loumann; Thomsen, Reimar W.

    In: Clinical epidemiology, Vol. 1, 2009, p. 125-31.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  50. Published

    Risk for hospital contact with infection in patients with splenectomy: a population-based cohort study. / Thomsen, Reimar W; Schoonen, W Marieke; Farkas, Dóra K; Riis, Anders; Jacobsen, Jacob; Fryzek, Jon P; Sørensen, Henrik Toft.

    In: Annals of Internal Medicine, Vol. 151, No. 8, 2009, p. 546-55.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  51. Published

    Coarctatio aortae: 40 års opfølgning efter kirurgisk korrektion - sekundaerpublikation. / Høimyr, Hilde; Pedersen, Thais A L; Christensen, Thomas D; Emmertsen, Kristian; Johnsen, Søren P; Riis, Anders; Hansen, Ole Kromann; Hjortdal, Vibeke E.

    In: Ugeskrift for Laeger, Vol. 171, No. 15, 2009, p. 1266-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  52. Published

    Pneumococcal serotypes and mortality following invasive pneumococcal disease: a population-based cohort study. / Harboe, Zitta B; Thomsen, Reimar W; Riis, Anders; Valentiner-Branth, Palle; Christensen, Jens Jørgen; Lambertsen, Lotte; Krogfelt, Karen A; Konradsen, Helle B; Benfield, Thomas L.

    In: P L o S Medicine, Vol. 6, No. 5, 2009, p. e1000081.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  53. Published

    Preadmission use of SSRIs alone or in combination with NSAIDs and 30-day mortality after peptic ulcer bleeding. / Gasse, Christiane; Christensen, Steffen; Riis, Anders; Mortensen, Preben B; Adamsen, Sven; Thomsen, Reimar W.

    In: Scandinavian Journal of Gastroenterology, Vol. 44, No. 11, 2009, p. 1288-95.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  54. 2008
  55. Published

    Preadmission use of statins and mortality within 90 days after hospitalization with pneumonia: population-based cohort study of 29,900 adult patients. / Thomsen, Reimar Niels Wernich; Riis, Anders; Kornum, Jette Brommann; Christensen, Steffen; Johnsen, Søren Paaske; Sørensen, Henrik Toft.

    2008. Poster session presented at 17th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), München, Germany.

    Research output: Contribution to conferencePosterResearch

  56. Published

    Preadmission use of antipsychotic drugs was associated with increased short-term mortality after peptic ulcer perforation. / Christiansen, Christian; Christensen, Steffen; Riis, Anders; Thomsen, Reimar Niels Wernich; Tønnesen, Else Kirstine; Sørensen, Henrik Toft.

    2008. Poster session presented at 23rd international Conference for Pharmacoepidemiology and therapeutic risk Management (ICPE), Quebec, Canada.

    Research output: Contribution to conferencePosterResearch