CircPVT1 promotes proliferation of lung squamous cell carcinoma by binding to miR-30d/e

Table 2 Univariate and Multivariate Analyses of Factors Associated with Overall Survival

Facrors	OS
	Univariate	Multivariate
	p	HR	95%CI	P value
Sex (Female vs. Male)	0.841			NA
Age (years)(< 60 vs. ≥60)	0.045			NA
Smoking history (Yes vs. No)	0.518			NA
TNM stage(I-II vs. III-IV)	0.002	1.940	0.798–4.713	O.143
Tumor size(≤5 cm vs. > 5 cm)	0.000	1.927	0.882–4.207	0.100
Lymph node metastasis (Yes vs. No)	0.007	I.097	0.499–2.410	0.819
Differentiation (Not poor vs. Poor)	0.001	1.367	0.759–2.462	0.297
CircPVT1 expression (High vs. Low)	0.000	2.019	1.118–3.644	0.020

OS Overall survival, NA Not adopted, 95%CI 95% confidence interval, HR Hazard ratio; Cox proportional hazards regression model

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