Table 5.

Univariate analyses of prognostic factors in patients with lung adenocarcinoma

Variables	Univariate P-value
	RFS	OS
Age <60 vs ≥60 years	0.378	0.555
Female vs male	0.004	0.044
Stage I vs II–IV	<0.001	<0.001
Never smokers vs smokers	0.016	0.169
ROS1 negative vs positive	0.315	0.022

Note: Bold entries indicate that the P-value is <0.05.

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