Fig. 2.
Linear trend of the mean lactic acid levels in the first 24 h after surgery (Patients with diabetes who took metformin perioperatively = Group I, patients with diabetes who were not on metformin = Group II)
Linear trend of the mean lactic acid levels in the first 24 h after surgery (Patients with diabetes who took metformin perioperatively = Group I, patients with diabetes who were not on metformin = Group II)