“…A more recent systematic review, of over 6000 patients, estimated the risk of operative mortality after ROH to be around 1%, which is in keeping with the results of the present study and comparable with other equivalent major elective colorectal procedures [3,18]. Using similar criteria, a large contemporary North American study [24] reported the prevalence of major morbidity as 13%, a rate similar to that found in the present study. Crude reported morbidity rates range from 3% to 50% [6,8,[19][20][21], a variation that may partly be caused by the inclusion of either all complications or only major complications [16,22].…”