Fig. 3

Forest Plots representing the overall mean difference and associated 95% confidence interval (CIs; horizontal lines) of (a). Body mass index (BMI), (b). Systolic blood pressure (SBP), (c). Diastolic blood pressure (DBP), (d). Low-density lipoprotein cholesterol (LDL-C). The gray squares the weights used in the meta-analysis. The asterisk (*) represents studies in children and the sign (δ) represents randomized clinical trials (RCTs)