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Table 1 Importance of risk factors for intra- and postoperative complications

From: Complications in colorectal surgery: risk factors and preventive strategies

Risk factors Intraoperative Complications Postoperative Complications
Age + +
Male Gender + +
Malnutrition + +
Experience Surgeon (+) +
ASA class > III + +
Preoperative anemia (+) +
Intraoperative blood transfusion + +
Operating time + +
Neoplasia + +
Bowel injury + +
Obesity + (+)
Prior myocardial infarction (+) +
Heart failure (+) +