There was no difference in other outcomes, such as mortality, peritonitis, re-operation, infectious extra-abdominal complication, non-infectious extra-abdominal complication, and surgical site infection.

• 对其它结局，如死亡率、腹膜炎、再次手术、感染性腹外并发症、非感染性腹外并发症、手术区感染，两者没有差异。