Statin use and risk of cholecystectomy - A case-control analysis using Swiss claims data

Biétry, Fabienne A. and Reich, Oliver and Schwenkglenks, Matthias and Meier, Christoph R.. (2016) Statin use and risk of cholecystectomy - A case-control analysis using Swiss claims data. Expert Opinion on Drug Safety , 15 (12). pp. 1577-1582.

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Using claims data from the Helsana Group, a large Swiss health insurance provider, we examined the association between statin use and the risk of cholecystectomy in a case-control analysis.; We identified 2,200 cholecystectomy cases between 2013 and 2014 and matched 4 controls to each case on age, sex, index date and canton. We categorized statin users into current or past users (last prescription ≤ 180 or < 180 days before the index date, respectively) and classified medication use by duration based on number of prescriptions before the index date. We applied conditional logistic regression analyses to calculate odds ratios (ORs) with 95% confidence intervals (CIs) and adjusted the analyses for history of cardiovascular diseases and for use of estrogens, fibrates and other lipid-lowering agents.; The adjusted OR (aOR) for cholecystectomy was 0.85 (95% CI: 0.74, 0.99) for current statin users compared to non-users. Long-term current statin use (5-19 prescriptions) was associated with a reduced OR (aOR 0.77, 95% CI: 0.65, 0.92). However, neither short-term current use nor past statin use affected the risk of cholecystectomy.; The study supports the previously raised hypothesis that long-term statin use reduces the risk of cholecystectomy.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Clinical Pharmacy (Meier)
UniBasel Contributors:Meier, Christoph R.
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Taylor & Francis
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Oct 2017 14:32
Deposited On:25 Oct 2017 14:32

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