Table 2.

Multivariable analysis of prognostic factors.

Variable	Hazard ratio (95% CI)	P value
Treatment category	2.077 (1.706–2.529)	<.001***
ALB ≥ 35(g/L)	2.353 (1.803–3.071)	<.001***
PAB ≥ 200(g/L)	1.270 (0.971–1.661)	.081
Lymph node metastasis	1.106 (0.856–1.428)	.440*
CA19-9 ≥ 1000(U/mL)	1.2239 (0.943–1.587)	.129
Tumor diameter > 3 cm	1.335 (1.006–1.772)	.046*
Distant metastasis	1.596 (1.160–2.197)	.004**
Bismuth-Corlette type	1.277 (1.147–1.422)	<.001***
ECOG grade	1.837 (1.436–2.349)	<.001***
Vascular encasement	1.328 (0.992–1.778)	.057

ALB = albumin, CA19-9 = carbohydrate antigen 19-9, ECOG = Eastern Cooperative Group, PAB = prealbumin.

^*P < .05,

^**P < .01,

^***P < .001.