Table 3.

Multivariate analysis of clinicopathological features for overall survival of 58 patients with hilar cholangiocarcinoma

Factors	Category	P	HR	95% CI
MMP-9 expression	+/-	0.007	4.302	1.489-12.426
	++
Differentiation	Well/moderately	0.990	0.384	0.207-0.715
	Poorly
Lymph node metastasis	No	0.003	1.008	0.302-3.364
	Yes

HR, hazard ratio; CI, confidence interval.