Fig. 6
From: The effects of vitamin and mineral supplementation on women with gestational diabetes mellitus
Forest plot of pooled MD in HOMA-B of studies included. a Meta-analysis of the effects of vitamin and mineral supplementation on HOMA-B in women with GDM (fixed-effects model); b The forest plot of HOMA-B in subgroup analysis defined by the type of interventions (random-effects model). Mean difference, MD; Homeostasis model of assessment for β cell function, HOMA-B; gestational diabetes mellitus, GDM