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Statins and risk of diverticular disease: Nested case-control study

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

DOI

BACKGROUND: Statins exert pleiotropic anti-inflammatory effects and may prevent diverticular disease. However, the association remains poorly understood with previous studies obtaining conflicting results.

AIMS: To examine the effect of statin on the subsequent risk of diverticular disease.

METHODS: We conducted a nested case-control study in Denmark among respondents (>18 years) of the 2010 or the 2013 Danish National Health Survey. Among these, we identified 8,809 cases of hospital-diagnosed diverticular disease and risk-set sampled population controls without diverticular disease. Using complete prescription and hospital records, we used conditional logistic regression to compute odds ratios (ORs) associating statin use with diverticular disease. In adjusted analyses, we controlled for hospital-based diagnoses, medication use other than statins, and lifestyle and socioeconomic factors.

RESULTS: The fully-adjusted OR for diverticular disease associated with ever use (≥1 statin prescription filling) was 1.19 (95% CI: 1.12-1.27) compared with never use. However, we observed no dose-response relation. For example, among short-term users (<5 years), the OR was 1.18 (95% CI: 1.04-1.35) for low intensity users and 1.13 (95% CI: 1.01-1.26) for high intensity users. Among long-term users (≥5 years), the respective ORs were 1.25 (95% CI: 1.13-1.38) and 1.11 (95% CI: 0.98-1.24). In analyses restricting to cases and controls with a previous colonoscopy, associations were null (OR: 1.01 [95% CI: 0.85-1.20]).

CONCLUSIONS: The observed association of a higher risk of diverticular disease associated with statins could be explained by diagnostic bias. Our study did not support a protective nor harmful effect of statins on the risk of diverticular disease. This article is protected by copyright. All rights reserved.

OriginalsprogEngelsk
TidsskriftPharmacoepidemiology and Drug Safety
Vol/bind30
Nummer6
Sider (fra-til)770-778
Antal sider9
ISSN1053-8569
DOI
StatusUdgivet - jun. 2021

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