Table IV.

Univariate and multivariate analysis of the effect of covariates on disease-free survival for patients with lung cancer in the GSE30219 dataset.

A, Univariate analysis
Variables	HR (95% CI)	P-value
Age
≤62 vs. >62 years	1.332 (0.902–1.968)	0.1490
Sex
Female vs. male	1.301 (0.740–2.286)	0.3610
T stage
T1 vs. T2 vs. T3 vs. T4	1.852 (1.541–2.226)	<0.0001
N stage
N0 vs. N1	2.309 (1.786–2.986)	<0.0001
M stage
M0 vs. M1	3.705 (1.359–10.095)	0.0100
RFC5 expression
High vs. low	2.327 (1.563–3.464)	<0.0001
B, Multivariate analysis
Variables	HR (95% CI)	P-value
Age
≤62 vs. >62 years	–	–
Sex
Female vs. male	–	–
T stage
T1 vs. T2 vs. T3 vs. T4	1.461 (1.137–1.878)	0.0030
N stage
N0 vs. N1	1.461 (1.016–2.100)	0.0410
M stage
M0 vs. M1	2.640 (0.960–7.265)	0.0600
RFC5 expression
High vs. low	1.736 (1.143–2.636)	0.0100

CI, confidence interval; HR, hazard ratio; RFC5, replication factor C 5.