Fig. 5From: Effect of metformin on all-cause and cardiovascular mortality in patients with coronary artery diseases: a systematic review and an updated meta-analysisa Forest plot of hazard ratio of CV events VENTS among patients with T2DM at baseline, metformin therapy vs no-metformin therapy. b Forest plot of hazard ratio of CV events among patients without T2DM at baseline, metformin therapy vs no-metformin therapy. c Forest plot of hazard ratio of CV events among patients with metformin monotherapy vs sulphonylurea monotherapy. d Forest plot of hazard ratio of CV events among patients with metformin monotherapy vs no-drug therapyBack to article page