Fig 1.
PRISMA flow diagram detailing process of study selection for the meta-analysis.
Table 1.
Summary characteristics of the studies included in the analysis.
Fig 2.
Summary assessment of risk of bias of the included studies.
Fig 3.
Forest plot analysis of body weight (BW) in participants treated with metformin compared with placebo.
Fig 4.
Summary data of outcome parameters.
Fig 5.
Forest plot analysis of total cholesterol in participants treated with metformin compared with placebo.
Fig 6.
Forest plot analysis of LDL cholesterol in participants treated with metformin compared with placebo.