Patient selection: hepatectomy
Outcome: surgical site infection
Risk factors:
(1) body mass index >= 30 kg per square meter (obesity, odds ratio 1.6)
(2) diabetes mellitus (odds ratio 1.4)
(3) ASA score >= 2 (odds ratio 1.4)
(4) cirrhosis (odds ratio 1.6)
(5) repeat hepatectomy (odds ratio 1.2)
(6) hepatolithiasis (odds ratio 1.8)
(7) abdominal drain in place >= 5 days (odds ratio 1.5)
(8) intraoperative blood transfusion (odds ratio 1.6)
None of the risk factors had an odds ratio > 1.8.
5 factors are known prior to surgery.
2 factors are known at the time of surgery.
1 factor is known during the week after surgery.
