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Anders H. Riis
Researcher at Aarhus University Hospital
Publications - 121
Citations - 5859
Anders H. Riis is an academic researcher from Aarhus University Hospital. The author has contributed to research in topics: Population & Cohort study. The author has an hindex of 41, co-authored 115 publications receiving 5071 citations. Previous affiliations of Anders H. Riis include Aarhus University.
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Journal ArticleDOI
Outcome of peptic ulcer bleeding among users of traditional non-steroidal anti-inflammatory drugs and selective cyclo-oxygenase-2 inhibitors.
Reimar W. Thomsen,Anders H. Riis,Steffen Christensen,Joseph K. McLaughlin,Henrik Toft Sørensen,Henrik Toft Sørensen +5 more
TL;DR: Few data exist on the impact of non‐steroidal anti‐inflammatory drug use on peptic ulcer outcome and the use of these drugs is regulated by the Food and Drug Administration.
Journal ArticleDOI
Maternal Recall Error in Retrospectively Reported Time-to-Pregnancy: an Assessment and Bias Analysis.
Rose G. Radin,Rose G. Radin,Kenneth J. Rothman,Kenneth J. Rothman,Elizabeth E. Hatch,Ellen M. Mikkelsen,Henrik Toft Sørensen,Henrik Toft Sørensen,Anders H. Riis,Matthew P. Fox,Lauren A. Wise +10 more
TL;DR: In this article, recall error is defined as retrospectively measured time-to-pregnancy (TTP) minus prospectively measured TTP, and recall error was found to be associated with maternal age, gravidity, or recent oral contraceptive use.
Journal ArticleDOI
Impact of COPD on Outcome Among Patients With Complicated Peptic Ulcer
Steffen Christensen,Reimar W. Thomsen,Marie Louise Tørring,Anders H. Riis,Mette Nørgaard,Henrik Toft Sørensen +5 more
TL;DR: COPD substantially increased 30-day mortality among patients with bleeding and perforated peptic ulcers and the use of oral glucocorticoids among COPD patients was associated with higher MRRs for both perforation and bleeding peptic Ulcer patients.
Journal ArticleDOI
Antidepressant use and colorectal cancer risk: a Danish population-based case–control study
Deirdre Cronin-Fenton,Anders H. Riis,Timothy L. Lash,Timothy L. Lash,Susanne Oksbjerg Dalton,Søren Friis,Douglas J. Robertson,Henrik Toft Sørensen +7 more
TL;DR: Antidepressant use and colorectal cancer risk: a Danish population-based case–control study finds no clear relationship between antidepressant use and cancer risk.
Journal ArticleDOI
Prospective study of time to pregnancy and adverse birth outcomes.
Lauren A. Wise,Ellen M. Mikkelsen,Henrik Toft Sørensen,Kenneth J. Rothman,Kenneth J. Rothman,Kristen A. Hahn,Anders H. Riis,Elizabeth E. Hatch +7 more
TL;DR: In a prospective cohort study of Danish pregnancy planners, delayed conception was a marker for adverse birth outcomes, after accounting for fertility treatment.