Table 2. Univariate and multivariate independent prognostic analysis of FRlncRNAs signature in predicting patient survival.

	Univariate Cox model		Multivariate Cox model
Variables	HR(95% Cl)	p value	HR(95% Cl)	p value
Training cohort
Age	1.014(0.997–1.032)	0.104	1.012(0.994–1.031)	0.181
Gender	0.701(0.457–1.075)	0.103	0.912(0.555–1.500)	0.718
Grade	1.035(0.778–1.376)	0.815	0.971(0.707–1.333)	0.856
Stage	1.853(1.464–2.345)	<0.001	1.807(1.412–2.313)	<0.001
Etiology	1.135(0.952–1.352)	0.158	1.041(0.856–1.265)	0.688
Radiotherapy	1.147(0.362–3.636)	0.815	1.060(0.327–3.440)	0.922
Family history	1.117(0.728–1.713)	0.613	0.960(0.602–1.531)	0.863
Risk Score	1.732(1.324–2.267)	<0.001	1.721(1.280–2.314)	<0.001
Validation cohort
Gender	1.689(0.816–3.497)	0.158	1.381(0.659–2.891)	0.392
Age	0.991(0.972–1.010)	0.343	1.000(0.980–1.021)	0.964
TNM stage	2.340(1.771–3.091)	<0.001	1.763(1.268–2.451)	<0.001
CLIP stage	1.921(1.554–2.375)	<0.001	1.493(1.155–1.930)	0.002
Risk Score	1.410(1.054–1.887)	0.021	1.049(0.764–1.439)	0.769