Table 2. Univariate and multivariate analysis of survival in early-stage NSCLC patients.

Variable	Univariate Analysis			Multivariate Analysis
	HR	95%CI	P	HR	95%CI	P
KIAA1522
High vs. low expression	2.304	1.489–3.567	0.00018	2.317	1.477–3.635	0.00025
Age
≥60 vs. <60	2.006	1.254–3.207	0.004	2.082	1.269–3.415	0.004
Sex
Male vs. female	2.459	1.307–4.626	0.005	2.188	1.042–4.595	0.039
Tumor type
SCC vs. ADC	1.601	1.044–2.457	0.031	1.319	0.815–2.135	0.260
T status
≤7 cm vs. >7 cm	1.707	0.964–3.022	0.067
N status
N0 vs. N1-3	1.528	0.983–2.377	0.060
Tumor differentiation
Well vs. Moderate vs. poorly	1.128	0.801–1.589	0.490
Gross pathology
Central vs. peripheral	1.511	0.989–2.308	0.056
Smoking history
Non vs. current or former smoker	2.010	1.167–3.461	0.012	1.006	0.518–1.952	0.986

HR = Hazard Ratio.