Table 2.

Univariate and multivariate analyses for prognostic factors in NSCLC patients

Variables	Univariate			Multivariate
	HR	95% Cl	P	HR	95% Cl	P
Age, y (>65 vs ≤65)	0.97	0.45‐2.09	.93
Gender (male vs female)	0.54	0.26‐1.15	.54
Smoking (no vs yes)	0.59	0.28‐1.27	.18
Histology (squamous vs nonsquamous)	2.22	1‐4.93	.05	2.49	1.12‐5.56	.026
T status (T3‐4 vs T1‐2)	1.34	0.64‐2.82	.44
N status (N1‐3 vs N0)	1.65	0.78‐3.48	.19
Stage Ⅲ vs Ⅰ‐Ⅱ	0.57	0.26‐1.27	.17
Differentiation (poor vs well moderate)	1.51	0.68‐3.35	.31
EGFR mutation status (mutated vs wild‐type)	2.27	1.04‐4.95	.04	2.53	1.15‐5.57	.02

Abbreviations: CI, confidence interval; EGFR, epidermal growth factor receptor; HR, hazard ratio; NSCLC, non‐small cell lung cancer.