Fig. 3From: Systematic review and meta-analysis of head-to-head trials comparing sulfonylureas and low hypoglycaemic risk antidiabetic drugsMACE, sulfonylureas versus active control. Heterogeneity chi-squared = 18.53 (d.f. = 18) p = 0.421; I2 = 2.9%; Test of OR = 1: z = 2.61 p = 0.009Back to article page