Table 2.

Multivariate logistic analysis for parameters associated with post-operative bile leak

Variables	Post-operative bile leak
	Risk ratio (95%CI)	P-value
Liver disease
HCC	0.763 (0.315–1.847)	0.548
Cholangiocarcinoma	2.265 (0.923–8.301)	0.0671
Bile duct carcinoma	0.897 (0.256–3.135)	0.864
Others	1
Method of parenchymal transection
Forceps fracture and tie	3.434 (1.063–11.074)	0.0388
Use of haemostatic devices	1
Extent of hepatectomy
Hemi-hepatectomy or more	2.134 (0.628–7.283)	0.222
Segmentectomy or sectionectomy	1.722 (0.476–6.228)	0.406
Limited resection	1
Side of hepatectomy
Left-side hepatectomy	1.634 (0.732–4.289)	0.322
Right-side hepatectomy	1
Combined vascular anastomosis
Yes	0.984 (0.350–2.771)	0.976
No
Operating time (hours)
≥500	5.128 (2.182–12.052)	0.0002
<500	1
Blood loss (ml)
≥1000	1.661 (0.733–3.762)	0.223
<1000	1
Use of a C tube
Yes	1.071 (0.397–2.885)	0.893
No	1

See Table 1 for abbreviations.