Diabetes mellitus: Any of the following situations: 1) A casual preoperative glicemia the same or greater to 200 mg/dl (11.1 mmol/l), glicemia in preoperative fasting same or grater to 126 mg/dl (7 mmol/l), 2) Regular ingestion of oral hypoglycemiants or regular application of insulin. Here, INS is linked to diabetes mellitus.