Table 3.

Univariate and multivariate Cox hazards model analyses for recurrence-free survival of patients with non–small-cell lung cancer

Variable	Per unit for HR	univariate			multivariate
		HR	95% CI	P-value	HR	95% CI	P-value
Age	1-year	1.003	0.991–1.015	.632
Sex	Male/female	1.663	1.248–2.215	<.001	0.787	0.504–1.228	.291
Smoking status	Ever/never	1.976	1.457–2.680	<.001	1.746	1.069–2.854	.026
Histology	Adenocarcinoma/the other histologies	1.763	1.350–2.303	<.001	1.123	0.818–1.54	.473
Pathological stage	1-stage	2.433	2.109–2.807	<.001	2.293	1.93–2.72	<.001
EGFR mutation	Mutant/wild type	0.696	0.501–0.966	.03	0.917	0.628–1.339	.654
Adjuvant chemotherapy	Yes/no	1.403	1.095–1.798	.007	1.084	0.808–1.454	.588
YTHDF1	High/low	0.664	0.518–0.850	.001	0.745	0.564–0.984	.038
YTHDF2	High/low	0.67	0.508–0.885	.005	0.683	0.503–0.928	.014