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Publication Detail

Title: Evidence of heterogeneity in statin-associated type 2 diabetes mellitus risk: A meta-analysis of randomized controlled trials and observational studies.

Authors: Engeda, Joseph C; Stackhouse, Ashlyn; White, Mary; Rosamond, Wayne D; Lhachimi, Stefan K; Lund, Jennifer L; Keyserling, Thomas C; Avery, Christy L

Published In Diabetes Res Clin Pract, (2019 May)

Abstract: To conduct a meta-analysis of statin-associated type 2 diabetes mellitus (T2D) risk among randomized controlled trials (RCTs) and observational studies (OBSs), excluding studies conducted among secondary prevention populations.Studies were identified by searching PubMed (1994-present) and EMBASE (1994-present). Articles had to meet the following criteria: (1) follow-up >one year; (2) >50% of participants free of clinically diagnosed ASCVD; (3) adult participants ≥30 years old; (4) reported statin-associated T2D effect estimates; and (5) quantified precision using 95% confidence interval. Data were pooled using random-effects model.We identified 23 studies (35% RCTs) of n = 4,012,555 participants. OBS participants were on average younger (mean difference = 6.2 years) and had lower mean low-density lipoprotein cholesterol (LDL-C, mean difference = 20.6 mg/dL) and mean fasting plasma glucose (mean difference = 5.2 mg/dL) compared to RCT participants. There was little evidence for publication bias (P > 0.1). However, evidence of heterogeneity was observed overall and among OBSs and RCTs (PCochran = <0.05). OBS designs, younger baseline mean ages, lower LDL-C concentrations, and high proportions of never or former smokers were significantly associated with increased statin-associated T2D risk.Potentially elevated statin-associated T2D risk in younger populations with lower LDL-C merits further investigation in light of evolving statin guidelines targeting primary prevention populations.

PubMed ID: 30954511 Exiting the NIEHS site

MeSH Terms: Adult; Aged; Diabetes Mellitus, Type 2/chemically induced*; Genetic Heterogeneity; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors/adverse effects*; Male; Middle Aged; Randomized Controlled Trials as Topic

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