Anders Hammerich Riis

  1. 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

  2. Published

    30-day mortality after hospitalized peptic ulcer bleeding in users of low-dose aspirin at time of admission: A population-based study. / Mose, H; Larsen, M; Riis, Anders; Johnsen, Søren Paaske; Thomsen, Reimar W.; Sørensen, Henrik Toft.

    In: American Journal of Geriatric Pharmacotherapy, Vol. 4, 2006, p. 244-50.

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

  3. Published

    A prospective cohort study of a woman's own gestational age and her fecundability. / Nielsen, Cathrine Wildenschild ; Riis, A H; Ehrenstein, V; Hatch, E E; Wise, L A; Rothman, K J; Sørensen, H T; Mikkelsen, E M.

    In: Human reproduction (Oxford, England), Vol. 30, No. 4, 04.2015, p. 947-56.

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

  4. 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

  5. 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

  6. 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

  7. Published

    A validated algorithm to ascertain colorectal cancer recurrence using registry resources in Denmark. / Lash, Timothy L; Riis, Anders H; Ostenfeld, Eva B; Erichsen, Rune; Vyberg, Mogens; Thorlacius-Ussing, Ole.

    In: International Journal of Cancer, Vol. 136, No. 9, 01.05.2015, p. 2210-5.

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

  8. 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

  9. Published

    Active and passive smoking and fecundability in Danish pregnancy planners. / Radin, Rose G; Hatch, Elizabeth E; Rothman, Kenneth J; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Riis, Anders H; Wise, Lauren A.

    In: Fertility and Sterility, Vol. 102, No. 1, 07.2014, p. 183-191.e2.

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

  10. 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

  11. Published

    Age and colorectal cancer with focus on the elderly:Trends in relative survival and initial treatment from a Danish population-based study. / Iversen, Lene H.; Pedersen, Lars; Riis, Anders; Friis, Søren; Laurberg, Søren; Sørensen, Henrik Toft.

    In: Diseases of the Colon and Rectum, Vol. 48, 2005, p. 1755-1763.

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

  12. Published

    Alcohol consumption and fecundability : prospective Danish cohort study. / Mikkelsen, Ellen M; Hammerich Riis, Anders; Wise, Lauren A; Hatch, Elizabeth E; Rothman, Kenneth J; Cueto, Heidi Theresa; Sørensen, Henrik Toft.

    In: B M J (Online), Vol. 354, 2016, p. i4262.

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

  13. 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

  14. 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

  15. 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

  16. Published

    Antipsychotic drugs and short-term mortality after peptic ulcer perforation: A population-based cohort study. / Christiansen, Christian; Christensen, Steffen; Riis, Anders; Thomsen, Reimar Niels Wernich; Johnsen, Søren Paaske; Tønnesen, Else Kirstine; Sørensen, Henrik Toft.

    In: Alimentary Pharmacology and Therapeutics, Vol. 28, No. 7, 2008, p. 895-902.

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

  17. Published

    Application of the Adaptive Validation Substudy Design to Colorectal Cancer Recurrence. / Collin, Lindsay J; Riis, Anders H; MacLehose, Richard F; Ahern, Thomas P; Erichsen, Rune (Editor); Thorlacius-Ussing, Ole; Lash, Timothy L.

    In: Clinical epidemiology, Vol. 12, 02.2020, p. 113-121.

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

  18. Published

    Associations of Statin Use With Colorectal Cancer Recurrence and Mortality in a Danish Cohort. / Lash, Timothy; Hammerich Riis, Anders; Ostenfeld, Eva Bjerre; Erichsen, Rune; Vyberg, Mogens; Ahern, Thomas; Thorlacius-Ussing, O.

    In: American Journal of Epidemiology, Vol. 186, No. 6, 2017, p. 679–687.

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

  19. Published

    Body Size and Risk of Spontaneous Abortion among Danish Pregnancy Planners. / Hahn, Kristen A; Hatch, Elizabeth E; Rothman, Kenneth J; Mikkelsen, Ellen M; Brogly, Susan B; Sørensen, Henrik T; Riis, Anders H; Wise, Lauren A.

    In: Paediatric and Perinatal Epidemiology (Online), Vol. 28, No. 5, 09.2014, p. 412-23.

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

  20. Published

    Brief Report : Cesarean Delivery and Subsequent Fecundability. / Radin, Rose G; Mikkelsen, Ellen M; Rothman, Kenneth J; Hatch, Elizabeth E; Sorensen, Henrik T; Riis, Anders H; Kuohung, Wendy; Wise, Lauren A.

    In: Epidemiology, Vol. 27, No. 6, 11.2016, p. 889-93.

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

  21. 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

  22. 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

  23. Published

    Caffeine and caffeinated beverage consumption and risk of spontaneous abortion. / Hahn, K A; Wise, L A; Rothman, K J; Mikkelsen, E M; Brogly, S B; Sørensen, H T; Riis, A H; Hatch, E E.

    In: Human reproduction (Oxford, England), Vol. 30, No. 5, 05.2015, p. 1246-55.

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

  24. Published
  25. 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

  26. 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

  27. Published

    Cohort profile : CROSS-TRACKS: a population-based open cohort across healthcare sectors in Denmark. / Riis, Anders Hammerich; Kristensen, Pia Kjær; Petersen, Matilde Grøndahl; Ebdrup, Ninna Hinchely; Lauritsen, Simon Meyer; Jørgensen, Marianne Johansson.

    In: BMJ Open, Vol. 10, No. 10, e039996, 10.2020.

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

  28. Published

    Cohort profile: the Danish Web-based Pregnancy Planning Study--'Snart-Gravid'. / Mikkelsen, Ellen M; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Riis, Anders; Sørensen, Henrik Toft.

    In: International Journal of Epidemiology, Vol. 38, No. 4, 2008, p. 938-43.

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

  29. Published

    Coronary CT Angiographic and Flow Reserve-Guided Management of Patients With Stable Ischemic Heart Disease. / Nørgaard, Bjarne L; Terkelsen, Christian J; Mathiassen, Ole N; Grove, Erik L; Bøtker, Hans Erik; Parner, Erik; Leipsic, Jonathon; Steffensen, Flemming H; Riis, Anders H; Pedersen, Kamilla; Christiansen, Evald H; Mæng, Michael; Krusell, Lars R; Kristensen, Steen D; Eftekhari, Ashkan; Jakobsen, Lars; Jensen, Jesper M.

    In: Journal of the American College of Cardiology, Vol. 72, No. 18, 30.10.2018, p. 2123-2134.

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

  30. 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

  31. Published

    Costs and Efficiency of Online and Offline Recruitment Methods : A Web-Based Cohort Study. / Christensen, Tina; Hammerich Riis, Anders; Hatch, Elizabeth E; Wise, Lauren A; Nielsen, Marie Germund; Rothman, Kenneth J; Sørensen, Henrik Toft; Mikkelsen, Ellen Margrethe.

    In: Journal of Medical Internet Research, Vol. 19, No. 3, e58, 01.03.2017.

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

  32. Published

    Descriptive characteristics of colon and rectal cancer recurrence in a Danish population-based study. / Holmes, Ashley C; Hammerich Riis, Anders; Erichsen, Rune; Fedirko, Veronika; Ostenfeld, Eva Bjerre; Vyberg, Mogens; Thorlacius-Ussing, O.; Lash, Timothy.

    In: Acta oncologica (Stockholm, Sweden), Vol. 56, No. 8, 08.2017, p. 1111-1119.

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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. Published

    Diabetes, glycemic control, and risk of hospitalization with pneumonia: a population-based case-control study. / Kornum, Jette B; Thomsen, Reimar W; Riis, Anders; Lervang, Hans-Henrik; Schønheyder, Henrik C; Sørensen, Henrik T.

    In: Diabetes Care, Vol. 31, No. 8, 2008, p. 1541-5.

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

  40. 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

  41. Published
  42. Published

    Does low risk of infections as a marker of effective immunity predict increased risk of subsequent giant cell arteritis or polymyalgia rheumatica? A danish population-based case– control study. / Brault, Clément; Riis, Anders H.; Mor, Anil; Duhaut, Pierre; Thomsen, Reimar W.

    In: Clinical epidemiology, Vol. 10, 01.01.2018, p. 1533-1543.

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

  43. 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

  44. Published

    Effect of hydroxyapatite coating on risk of revision after primary total hip arthroplasty in younger patients: findings from the Danish Hip Arthroplasty Registry. / Paulsen, Aksel; Pedersen, Alma B; Johnsen, Søren P; Riis, Anders; Lucht, Ulf; Overgaard, Søren.

    In: Acta Orthopaedica (Print Edition), Vol. 78, No. 5, 2007, p. 622-8.

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

  45. Published

    Effect of selective serotonin reuptake inhibitors on requirements of allogeneic red blood cell transfusion following coronary artery bypass surgery. / Andreasen, J.J.; Riis, Anders; Hjortdal, Vibeke E.; Jørgensen, Jan; Johnsen, Søren Paaske.

    In: American Journal of Cardiovascular Drugs, No. 6, 2006, p. 243-50.

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

  46. Published

    Evaluation of Selection Bias in an Internet-based Study of Pregnancy Planners. / Hatch, Elizabeth E; Hahn, Kristen A; Wise, Lauren A; Mikkelsen, Ellen Margrethe; Kumar, Ramya; Fox, Matthew P; Brooks, Daniel R; Riis, Anders H; Sørensen, Henrik Toft; Rothman, Kenneth J.

    In: Epidemiology, Vol. 27, No. 1, 01.2016, p. 98-104.

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

  47. 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

  48. 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

  49. 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

  50. Published

    Female exposure to phthalates and time to pregnancy : a first pregnancy planner study. / Ladehoff, Anne Marie; Riis, Anders H; Olsen, Jørn; Jönsson, Bo A G; Lindh, Christian H; Hjollund, Niels H; Jensen, Tina Kold; Bonde, Jens Peter; Toft, Gunnar.

    In: Human reproduction (Oxford, England), 01.2017, p. 232-238.

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

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