Variables | Â | No. of patients | Morbidity | Univariate | Multivariate | |
---|---|---|---|---|---|---|
 | p-value | RR (95% CI) | p-value | |||
Gender | 0.128 | Â | Â | |||
 | Female | 126 | 18 (14.3%) |  |  |  |
 | Male | 66 | 16 (24.2%) |  |  |  |
Age | 0.505 | Â | Â | |||
 | < 60 years | 107 | 17 (15.9%) |  |  |  |
 | ≥ 60 years | 85 | 17 (20.0%) |  |  |  |
Preoperative jaundice | 0.034 | 0.387 (0.164–0.916) | 0.031 | |||
 | Present | 47 | 16 (34.0%) |  |  |  |
 | Absent | 145 | 18 (12.4%) |  |  |  |
Major hepatectomy | 0.183 | Â | Â | |||
 | Yes | 8 | 4 (50.0%) |  |  |  |
 | No | 184 | 30 (16.3%) |  |  |  |
Extrahepatic bile duct resection | 0.717 | Â | Â | |||
 | With | 56 | 17 (30.4%) |  |  |  |
 | Without | 136 | 17 (12.5%) |  |  |  |
Combined resection of adjacent organs (CRAO) | 0.168 | Â | Â | |||
 | With | 15 | 7 (46.7%) |  |  |  |
 | Without | 177 | 27 (15.3%) |  |  |  |
Combined portal vein/hepatic artery resection | 0.802 | Â | Â | |||
 | With | 5 | 1 (20.0%) |  |  |  |
 | Without | 187 | 33 (17.6%) |  |  |  |
Operative time 0.280 | Â | Â | ||||
 | < 240 min | 87 | 9 (10.3%) |  |  |  |
 | ≥ 240 min | 105 | 25 (23.8%) |  |  |  |
Intraoperative blood infusion 0.056 | 0.420 (0.175-1.007) | 0.052 | ||||
 | With | 44 |  |  |  |  |
 | Without | 148 |  |  |  |  |