Both groups had similar Clavien complication severity outcomes : 195 patients ( 94.2 % ) in the nontreatment group had a score of 0 to I and 2 patients ( 0.97 % ) had a score of III to V , and 182 patients ( 87.8 % ) in the antibiotic group had a score of 0 to I and 4 patients ( 1.93 % ) had a score of III to V.