Fig. 4From: 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 among patients with metformin therapy vs no-metformin therapy. b Forest plot of hazard ratio of CV events among patients with MI at baseline, metformin therapy vs no-metformin therapy. c Forest plot of hazard ratio of CV events among patients with HF at baseline, metformin therapy vs no-metformin therapyBack to article page