PSCA and Oct-4 Expression in the Benign and Malignant Lesions of Gallbladder: Implication for Carcinogenesis, Progression, and Prognosis of Gallbladder Adenocarcinoma

Table 4

Multivariate Cox regression analysis of overall survival in 67 gallbladder carcinoma patients.

Groups	Factors	RC*	SE*	RR*	𝑃 value	95% confidence interval
						Lower	Upper
Pathological types	Adenoma; /well/moderately; /poorly/mucinous adenocarcinoma	0.589	0.425	1.83	0.305	0.78	4.1
Tumor size (cm)	<2.0/≥2.0	0.978	0.433	3.01	0.021	1.15	6.27
Lymph node metastasis	No/yes	1.114	0.521	3.33	0.041	1.10	8.46
T stages	T1/T2/T3/T4	0.978	0.318	2.64	0.021	1.49	4.85
Resection procedure	Radical/nonradical	1.409	0.515	4.09	0.005	1.52	11.08
PSCA	−/+	1.025	0.487	3.36	0.045	1.07	7.24
Oct-4	−/+	0.754	0.336	2.37	0.039	1.10	4.11

∗RR: relative risk; *SE: standard error; *RC: regression coefficients.