• Haiyan Zhou, Maeda Toshiyoshi, Wenli Zhao, Ye Zhao, and Yan Zhao.
• Department of Medicine, Yueyang Vocational Technical College, Yueyang, China.
• Medicine (Baltimore). 2023 Jun 30; 102 (26): e33981e33981.

BackgroundThe prevalence of nonalcoholic fatty liver disease (NAFLD) is rising rapidly in the world. Our aim is to investigate the efficacy and safety of statins in the treatment of NAFLD.MethodsThis study was conducted by searching The National Library of Medicine, Cochrane Library, China National Knowledge Infrastructure, Web of Science, and Wanfang Data Knowledge Service Platform databases. Literature data are expressed as mean difference (MD) and 95% confidence intervals (CIs) or relative risk and 95% CI. For I2 > 50% trials, random effect model is used for statistical analysis, otherwise fixed effect model is used.ResultsFourteen studies are selected for this meta-analysis, which includes totally 534 patients in the treatment group and 527 patients in the control group. As a result, 5 studies show that the total effective rate of the treatment group is 17% higher than that of the control group (Z = 2.11, relative risk = 1.17, 95% CI: [1.01-1.35]). Twelve studies show that alanine aminotransferase levels of the experimental group are lower than that of the control group (Z = 2.63, P = .009, MD = -5.53, 95% CI: [-9.64 to -1.41]). Eleven studies show that aspartate transaminase levels of the experimental group are lower than that of the control group (Z = 2.01, P = .04, MD = -3.43, 95% CI: [-6.77 to -0.08]). Six studies show that alkaline phosphatase levels of the experimental group are lower than that of the control group (Z = 0.79, P = .43, MD = -3.46, 95% CI: [-12.08 to 5.16]). Eight studies show that gamma-glutamyl transpeptidase levels of the experimental group are lower than that of the control group (Z = 2.04, P = .04, MD = -4.05, 95% CI: [-7.96 to -0.15]). Thirteen studies show that triglyceride levels of the experimental group are lower than that of the control group (Z = 4.15, P < .0001, MD = -0.94, 95% CI: [-1.39 to -0.50]). Eleven studies show that the total cholesterol levels of the experimental group are lower than that of the control group (Z = 5.42, P < .00001, MD = -1.51, 95% CI: [-2.05 to -0.96]). Seven studies show that low-density lipoprotein-cholesterol levels of the experimental group are lower than that of the control group (Z = 5.00, P < .00001, MD = -0.85, 95% CI: [-1.18 to -0.52]).ConclusionStatins can significantly reduce liver biochemical indicators in patients with NAFLD.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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