Fig. 4

Forest plots for the effects of liraglutide on hypoglycemic-related indicators and BMI of patients with diabetic nephropathy. A FBG; B PBG; C HbA1c; D BMI. WMD, weight mean difference; CI, confidence interval; IV, inverse variance; df, degrees of freedom; green squares, an effect size of each study; the size of green squares, the weight of each study; Black diamonds, test for overall effect; horizontal lines, confidence intervals