The Acute Physiology and Chronic Health Evaluation II score is helpful in predicting the need of relaparotomies in patients with secondary peritonitis of colorectal origin. Swiss Med Wkly [Internet]. 2012 Jul. 15 [cited 2025 Oct. 20];142(2930):w13640. Available from: https://www.smw.ch/index.php/smw/article/view/1540