Table 5. Cox multivariate analysis of the correlation between clinicopathological parameters and survival time of patients with NSCLC (including combined expression of CALR and PDIA3).

	Wald	df	P	Exp(B)	95.0% CI for Exp(B)
					Lower	Upper
Gender (Male vs. Female)	1.241	1	0.265	1.345	0.798	2.266
Age (< 62 vs. ≥ 62)	0.540	1	0.462	0.816	0.474	1.403
Pathological grades (I + I–II + II vs. II–III + III)	0.560	1	0.454	0.795	0.435	1.451
AJCC stages (I vs. II + III)	13.025	1	0.000	3.002	1.653	5.454
Combined expression of CALR and PDIA3
Low PDIA3 and low CALR	12.148	3	0.007
Low PDIA3 and high CALR	6.792	1	0.009	0.340	0.151	0.765
High PDIA3 and low CALR	3.202	1	0.074	0.427	0.168	1.085
High PDIA3 and high CALR	11.331	1	0.001	0.337	0.179	0.635

Cases of group “–” and “+” were assigned to group low. Cases of group “++” and “+++” were assigned to group high.