“…2,4,6,9,10,[23][24][25][26][27][28][29] In the OP group, the overall weighted mean proportion of ileus was 7.8% (95% CI 4.2%-14.2%), 2,4,9,10,[23][24][25][26]29 and 3.8% (95% CI 2.3%-6.2%) required reoperation for ileus. 2,4,6,25,[27][28][29] Considering 8 comparative studies, overall incidence of ileus was not significantly different with or without OP (RR 0.90; 95% CI 0.62-1.31; I 2 ¼ 0%), 2,4,9,23,24,26 nor the proportion of ileus requiring reoperation (RR 1.19; 95% CI 0.58-2.44; I 2 ¼ 0%). 2,4,6,28 Perineal Hernia…”