Anders Hammerich Riis

  1. Conference abstract for conference
  2. 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

  3. Published
  4. 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

  5. Published
  6. Poster
  7. Published
  8. Published

    Diabetes as a risk factor for glaucoma - A population-based case-control study. / Welinder, LG; Thomsen, Reimar W.; Riis, Anders; Knudsen, LL; Sørensen, Henrik Toft.

    2006. Poster session presented at  XXXVII Nordic Congress of Ophthalmology, København, Denmark.

    Research output: Contribution to conferencePosterResearch

  9. Published

    Excessive Risk of Major Cardiovascular Events in Sero-positive Rheumatoid Arthritis and in patients in active disease. / Thurah, Annette De; Andersen, Ina Trolle; Bugge, Andreas; Hammerich Riis, Anders; Böttcher, Morten; Hauge, Ellen Margrethe.

    2018. Poster session presented at ACR, Chicago, United States.

    Research output: Contribution to conferencePosterResearchpeer-review

  10. Published

    Heart failure and mortality within 90 days after hospitalized pneumonia: A population-based cohort study. / Thomsen, Reimar W.; Kasatpibal, N; Riis, Anders; Nørgaard, Mette; Sørensen, Henrik Toft.

    2006. Poster session presented at 16th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), Nice, France.

    Research output: Contribution to conferencePosterResearch

  11. 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

  12. Published

    Rising incidence and persistently high mortality of hospitalized pneumonia: A 10-year population-based study in Denmark. / Thomsen, Reimar W.; Riis, Anders; Nørgaard, Mette; Jacobsen, Jacob; Christensen, Steffen; McDonald, CJ; Sørensen, Henrik Toft.

    2006. Poster session presented at 16th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), Nice, France.

    Research output: Contribution to conferencePosterResearch

  13. 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

  14. 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

  15. 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

  16. Published

    The impact of cancer on the short term outcome of oral glucocorticoid use after peptic ulcer bleeding. / Rhode, M; Riis, Anders; Nørgaard, Mette; Thomsen, Reimar W.; Sørensen, Henrik Toft.

    2006. Poster session presented at 22nd International Conference on Pharmacoepidemiology & Therapeutic Risk Management, Lissabon, Portugal.

    Research output: Contribution to conferencePosterResearch

  17. 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

  18. Published

    Prognostic impact of haematological and non-haematological malignancies on mortality of hospitalized pneumonia - a Danish population-based cohort study. / Nørgaard, Mette; Riis, Anders; Thomsen, Reimar W.; Schønheyder, H.C.; Sørensen, Henrik Toft.

    2006. Poster session presented at 16th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), Nice, France.

    Research output: Contribution to conferencePosterResearch

  19. 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

  20. 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

  21. 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

  22. Published

    CROSS-TRACKS - A Population-Based Danish Cross-Sectorial Cohort. / Hammerich Riis, Anders; Kristensen, Pia Kjær; Petersen, Matilde Grøndahl ; Ebdrup, Ninna Hinchely; Lauritsen, Simon Meyer; Jørgensen, Marianne Johansson.

    2019. Poster session presented at 3rd Annual Research Meeting 2019, Aarhus, Denmark.

    Research output: Contribution to conferencePosterResearchpeer-review

  23. 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

  24. Published

    Introduction of COX-2 inhibitors did not change hospitalization rates of bleeding and perforated peptic ulcer in Denmark. / Christensen, Steffen; Nørgaard, Mette; Riis, Anders; Thomsen, Reimar W.; Sørensen, Henrik Toft.

    2006. Poster session presented at 22nd International Conference on Pharmacoepidemiology & Therapeutic Risk Management, Lissabon, Portugal.

    Research output: Contribution to conferencePosterResearch

  25. Published

    Perforated peptic ulcer:  use of preadmission oral glucocorticoids and 30-day mortality. / Christensen, Steffen; Riis, Anders; Nørgaard, Mette; Tønnesen, Else Kirstine; A, Larsson; Sørensen, Henrik Toft; Thomsen, Reimar W.

    2005. Poster session presented at Dansk Anæstesiologisk Selskab, Århus, Denmark.

    Research output: Contribution to conferencePosterResearch

  26. Published
  27. Conference abstract in proceedings
  28. 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

  29. 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

  30. Report
  31. Published
  32. Published

    Kirurgisk fjernelse af milten og risikoen for efterfølgende infektioner, blodpropper og død : Danmark 1996-2005. / Lietzen, Lone Winther; Jacobsen, Jacob Bonde; Thomsen, Reimar W.; Hammerich Riis, Anders; Nørgaard, Mette.

    Aarhus : Department of Clinical Epidemiology, Aarhus University Hospital, 2013.

    Research output: Book/anthology/dissertation/reportReport

  33. Conference abstract in journal
  34. Published

    Preadmission use of systemic glucocorticoids and 30-day mortality following bleeding peptic ulcer - A population-based cohort study. / Olsen, Morten Smærup; Christensen, Steffen; Riis, A.; Thomsen, Reimar Niels Wernich; Sørensen, Henrik Toft.

    In: Pharmacoepidemiology and Drug Safety, No. s1, 2008, p. 489.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearch

  35. Published

    Drug-treated diabetes and poor long-term glycemic control increase the risk of hospitalization with pneumonia: Population-based case-control study. / Kornum, Jette Brommann; Thomsen, Reimar Niels Wernich; Riis, Anders; Lervang, H.H.; Schønheyder, Henrik Carl; Sørensen, Henrik Toft.

    In: Pharmacoepidemiology and Drug Safety, No. s1, 2008, p. s201.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearch

  36. Letter
  37. 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

  38. Journal article
  39. Published

    Impact of Allogeneic Stem Cell Transplantation in First Complete Remission in Acute Myeloid Leukemia : A National Population-Based Cohort Study. / Østgård, Lene Sofie Granfeldt; Lund, Jennifer L; Nørgaard, Jan Maxwell; Nørgaard, Mette; Medeiros, Bruno C; Nielsen, Bendt; Nielsen, Ove Juul; Overgaard, Ulrik Malthe; Kallenbach, Maria; Marcher, Claus Werenberg; Riis, Anders Hammerich; Sengeløv, Henrik.

    In: Biology of Blood and Marrow Transplantation, Vol. 24, No. 2, 24, 02.2018, p. 314-323.

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

  40. Published
  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. Published

    Dietary Fat Intake and Fecundability in 2 Preconception Cohort Studies. / Wise, Lauren A; Wesselink, Amelia K; Tucker, Katherine L; Saklani, Shilpa; Mikkelsen, Ellen M; Cueto, Heidi; Riis, Anders H; Trolle, Ellen; McKinnon, Craig J; Hahn, Kristen A; Rothman, Kenneth J; Sørensen, Henrik Toft; Hatch, Elizabeth E.

    In: American Journal of Epidemiology, Vol. 187, No. 1, 01.01.2018, p. 60-74.

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

  47. Published

    Prospective study of time to pregnancy and adverse birth outcomes. / Wise, Lauren A; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Rothman, Kenneth J; Hahn, Kristen A; Riis, Anders H; Hatch, Elizabeth E.

    In: Fertility and Sterility, Vol. 103, No. 4, 04.2015, p. 1065-1073.e2.

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

  48. Published

    Fecundability among Danish women with a history of miscarriage : a prospective cohort study. / Wildenschild, Cathrine; Riis, Anders H; Ehrenstein, Vera; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Sørensen, Henrik T; Mikkelsen, Ellen M.

    In: BMJ Open, Vol. 9, No. 1, e023996, 06.2019.

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

  49. Published

    Weight at birth and subsequent fecundability : a prospective cohort study. / Wildenschild, Cathrine; Riis, Anders H; Ehrenstein, Vera; Heitmann, Berit L; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Sørensen, Henrik T; Mikkelsen, Ellen M.

    In: PLOS ONE, Vol. 9, No. 4, 2014, p. e95257.

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

  50. Published

    Seasonal patterns in fecundability in North America and Denmark : a preconception cohort study. / Wesselink, Amelia K.; Wise, Lauren A.; Hatch, Elizabeth E.; Mikkelsen, Ellen M.; Sørensen, Henrik T.; Riis, Anders H.; McKinnon, Craig J.; Rothman, Kenneth J.

    In: Human Reproduction, Vol. 35, No. 3, 2020, p. 565-572.

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

  51. 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

  52. Published

    Acute admissions to medical departments in Denmark : Diagnoses and patient characteristics. / Vest-Hansen, Betina; Riis, Anders Hammerich; Sørensen, Henrik Toft; Christiansen, Christian Fynbo.

    In: European Journal of Internal Medicine, Vol. 25, No. 7, 02.07.2014, p. 639-645.

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

  53. Published

    Out-of-hours and weekend admissions to Danish medical departments : admission rates and 30-day mortality for 20 common medical conditions. / Vest-Hansen, Betina; Riis, Anders Hammerich; Sørensen, Henrik Toft; Christiansen, Christian Fynbo.

    In: BMJ Open, Vol. 5, No. 3, 2015, p. e006731.

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

  54. Published

    Perforated peptic ulcer and short-term mortality among tramadol users. / Tørring, Marie Louise; Riis, Anders; Christensen, Steffen; Thomsen, Reimar W.; Jepsen, Peter; Søndergaard, Jens; Sørensen, Henrik Toft.

    In: British Journal of Clinical Pharmacology, Vol. 65, No. 4, 2007, p. 565-572.

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

  55. Published
  56. Published

    30-Day mortality after peptic ulcer perforation among users of newer selective Cox-2 inhibitors and traditional NSAIDs: A population-based Study. / Thomsen, Reimar W.; Riis, Anders; Munk, Estrid Muff; Christensen, Steffen; Sørensen, Henrik Toft.

    In: American Journal of Gastroenterology, Vol. 101, 2006, p. 2704-10.

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

  57. Published

    Diabetes mellitus and 30-day mortality from peptic ulcer bleeding and perforation: A Danish population-based cohort study. / Thomsen, Reimar W.; Riis, Anders; Christensen, Steffen; Nørgaard, M.; Sørensen, Henrik Toft.

    In: Diabetes Care, Vol. 29, 2006, p. 805-10.

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

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