TABLE 2.

Univariate and multivariate analyses of prognostic parameters

	Univariate analysis			Multivariate analysis
	P	RR	95% CI	P	RR	95% CI
CD109 (high)	<0.001	8.907	3.660‐21.676	0.021	3.229	1.189‐8.769
Clinical stage (II, III)	<0.001	6.709	3.327‐13.527	0.001	4.004	1.750‐9.162
Sex (Male)	0.587	1.213	0.603‐2.440	–	–	–
Age (≥65)	0.707	0.872	0.426‐1.783	–	–	–
EGFR mutation (detected)	0.005	0.250	0.094‐0.663	0.158	0.481	0.174‐1.329

Abbreviations: CI, confidence interval; RR, relative risk.