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. 2016 Nov 15;8(11):5025–5034.

Table 2.

Summary of univariate and multivariate Cox regression analyses of overall survival duration

Parameter	Univariate analysis			Multivariate analysis

	P	HR	95% CI	P	HR	95% CI
Gender	0.572	0.884	0.576-1.356
(Female vs. Male)	0.572	0.884	0.576-1.356
Age (years)	0.642	0.904	0.592-1.382
(<50 vs. ≥50)	0.642	0.904	0.592-1.382
Smoking	0.972	0.993	0.649-1.518
(No vs. Yes)	0.972	0.993	0.649-1.518
Clinical stage	<0.001	2.302	1.487-3.563	0.336	0.497	0.120-2.060
(Limited vs. Extensive)	<0.001	2.302	1.487-3.563	0.336	0.497	0.120-2.060
Tumor size	0.078	1.469	0.957-2.255
(<5 cm vs. >5 cm)	0.078	1.469	0.957-2.255
Lymph node metastasis	<0.001	3.085	1.930-4.931	0.200	2.581	0.594-12.098
(No vs. Yes)	<0.001	3.085	1.930-4.931	0.200	2.581	0.594-12.098
Distant metastasis	<0.001	6.156	3.586-10.568	<0.001	3.988	2.091-7.606
(No vs. Yes)	<0.001	6.156	3.586-10.568	<0.001	3.988	2.091-7.606
LncRNA PVT1	<0.001	2.634	1.712-4.053	0.024	1.782	1.078-2.945
(Low vs. High)	<0.001	2.634	1.712-4.053	0.024	1.782	1.078-2.945

HR, hazard ratio; 95% CI, 95% confidence interval.