Document Classification

Section Type: RESULTS

Text: This finding was consistent among 220 patients who underwent pancreaticoduodenectomy (10 % vs. 21 % ; relative risk, 0. 49 ; 95 % CI, 0. 25 to 0. 95) and 80 patients who underwent distal pancreatectomy (7 % vs. 23 % ; relative risk, 0. 32 ; 95 % CI, 0. 10 to 0. 99), as well as among 136 patients with a dilated pancreatic duct (2 % vs. 15 % ; relative risk, 0. 11 ; 95 % CI, 0. 02 to 0. 60) and 164 patients with a nondilated pancreatic duct (15 % vs. 27 % ; relative risk, 0. 55 ; 95 % CI, 0. 29 to 1. 01).