TABLE 4.

Univariate 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	0.000	2.040(1.394−2.983)	0.000	2.227(1.740−2.851)
Tumor size	≤3 cm/>3 cm	0.034	1.765(1.044−2.984)	0.000	2.331(1.614−3.367)
Gallstone	No/Yes	0.088	1.565(0.935−2.261)	0.981	1.004(0.704−1.433)
TNM stage	I + II/III + IV	0.000	6.830(3.619−12.890)	0.000	5.923(3.898−9.002)
Lymph node metastasis	No/Yes	0.000	4.550(2.453−8.438)	0.000	5.021(3.312−7.612)
Invasion	No/Yes	0.000	5.453(2.942−10.104)	0.000	12.808(7.412−22.131)
Surgery	Radical/Palliative/Biopsy	0.000	4.240(2.709−6.637)	0.000	5.693(4.081−7.940)
XRCC1	−/+	0.005	2.125(1.258−3.591)	0.002	1.826(1.251−2.666)

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