Fig. 1From: Association of metformin exposure with low risks of frailty and adverse outcomes in patients with diabetesKaplan–Meier survival curves for the combined primary outcome in months. A Survival time according to non-frail (n = 340) and frail (n = 82) diabetic patients in the total population. B Survival time according to treated with non-metformin (n = 177) and metformin (n = 245) in total population. C Survival time according to treated with non-metformin (n = 127) and metformin (n = 213) in non-frail diabetic patients. D Survival time according to treated with non-metformin (n = 50) and metformin (n = 32) in frail diabetic patients. P values by log-rank testBack to article page