TABLE 5.

Multivariate Cox regression analysis of survival rate in SC/ASC and AC patients.

Groups	Factors	SC/ASC		AC
		P	HR (95% CI)	P	HR (95% CI)
Differentiated degree	Well/moderately/poorly	0.005	1.815(1.198−2.750)	0.002	1.514(1.158−1.981)
Tumor size	≤3 cm/>3 cm	0.030	1.974(1.067−3.653)	0.016	1.772(1.111−2.825)
Gallstone	No/Yes	0.461	1.237(0.702−2.180)	0.460	1.153(0.791−1.679)
TNM stage	I + II/III + IV	0.024	3.662(1.189−11.280)	0.002	2.965(1.499−5.865)
Lymph node metastasis	No/Yes	0.002	3.823(1.607−9.091)	0.000	3.869(2.062−7.258)
Invasion	No/Yes	0.016	3.684(1.273−10.658)	0.000	6.488(3.287−12.809)
Surgery	Radical/Palliative/Biopsy	0.016	1.960(1.132−3.393)	0.000	2.284(1.522−3.427)
XRCC1	−/+	0.020	1.998(1.116−3.576)	0.011	1.721(1.134−2.613)

HR, hazard risk ratio; CI, confidence interval; −, negative expression; +, positive expression.