Maternal serum level of resistin is associated with risk for gestational diabetes mellitus: A meta-analysis

Equation 1 Equation(A1).

Equation 2 Equation(A1).

Figure 1 PRISMA flow diagram of the study selection process. GDM: Gestational diabetes mellitus.

Figure 2 Meta-analysis for the association of serum resistin level with gestational diabetes mellitus risk using a random effects model.

Figure 3 Gestational age at blood sampling subgroup analysis using a random effects model.

Figure 4 Need for insulin subgroup analysis using a random effects model.

Figure 5 Results of sensitivity analysis of serum resistin level with gestational diabetes mellitus risk.

Figure 6 Begg’s funnel plot for publication bias test of serum resistin level with gestational diabetes mellitus risk. SMD: Standardized mean difference.