However , no significant differences were observed in overall complications ( 40 % vs 41 % ; relative risk 0.99 [ 0.67-1 .44 ] ; P = 0.397 ) , length of stay ( 11.5 [ 8-15 ] vs 10.5 [ 8-16 ] ; P = 0.874 ) , time to first flatus ( 62 hours [ 40-76 ] vs 72 hours [ 48-96 ] ; P = 0.180 ) , wound infection ( 7 vs 14 ; P = 0.085 ) , anastomotic leaks ( 2 vs 5 ; P = 0.23 ) , or mortality ( 4.2 % vs 5.7 % ; P = 0.67 ) .