Table 4.

Multivariable analysis for overall survival.

Variables	β	SE	Wald	P	HR	95.0% for CI
Gender	-0.113	0.366	0.093	0.761	0.893	0.432-1.846
Tumor stage	2.914	0.943	20.521	<0.001	18.428	5.223-65.012
Lymph node metastasis	1.118	0.862	7.099	0.008	2.769	1.309-5.856
Bismuth-Coretre type	0.698	0.677	0.525	0.509	1.384	0.538-2.762
Neural invasion	0.811	0.735	0.725	0.355	2.057	1.098-5.042
Portal vein invasion	0.437	0.440	0.016	0.700	1.070	0.371-3.083
Total bilirubin	0.682	0.661	0.436	0.636	1.219	0.423-5.656
CA19-9	1.184	0.880	7.728	0.005	2.957	1.377-6.350
NLR	0.546	0.535	0.307	0.687	1.147	0.455-4.404
LMR	-1.708	0.889	19.271	<0.001	0.181	0.085-0.389

LMR, lymphocyte monocyte ratio; HR, hazard ratio; CI, confidence interval.