Table 3. Univariable analyses for RFS and OS in 1697 patients with resected lung adenocarcinoma.

Variable	RFS			OS
	HR	95% CI	p	HR	95% CI	p
Age, yrs	0.499	0.417 to 0.598	<0.001	0.631	0.493 to 0.808	<0.001
Sex	0.645	0.544 to 0.765	<0.001	0.512	0.407 to 0.645	<0.001
Smoking history	1.449	1.218 to 1.722	<0.001	1.681	1.341 to 2.108	<0.001
Stage	5.497	4.576 to 6.603	<0.001	4.443	3.500 to 5.641	<0.001
T-size, cm	2.625	2.262 to 3.047	<0.001	2.661	2.196 to 3.224	<0.001
N Stage	2.605	2.366 to 2.869	<0.001	2.344	2.070 to 2.654	<0.001
Pathology	1.763	1.087 to 2.858	0.021	2.311	1.326 to 4.031	0.003

Abbreviations: RFS, relapse-free survival; OS, overall survival; HR, hazard ratio.