Table 2.

Survival outcome by multivariate Cox proportional hazards analysis for NSCLC patients

Factors	Hazard ratio (95% CI)	P-value
Gender (male/female)	2.45 (0.76–7.95)	0.14
Age	1.03 (1.00–1.07)	0.08
Smoking index (≥400/<400)	1.09 (0.38–3.09)	0.88
Pathological stage	3.75 (1.89–7.42)	<0.01
SPARC (positive/negative)	1.58 (0.65–3.85)	0.31

Abbreviations: CI; confidence interval; NSCLC, non-small-cell lung cancer; SPARC, secreted protein acidic and rich in cysteine.