Table 2. Univariate and multivariate analyses of factors associated with overall survival.

Factors	Univariate, P	Overall survival
		Multivariate
			HR	95%CI	P value
Sex (female vs. male)	0.425				NA
Age (<60 vs. ≥60)	0.174			NA
Tumor size (≤4cm vs. >4cm)	0.253			NA
Metastasis (Yes vs. No)	0.027			NA
Tumor stage (I/II vs. III/IV)	0.124			NA
Differentiation (Well/moderate vs. poor)	0.001	0.521	0.272-0.998	0.049
PSMA3-AS1 expression (high vs. low)	0.000	0.398	0.194-0.816	0.012

OS overall survival, NA not adopted, 95%CI 95% confidence interval, HR hazard ratio, Cox proportional hazards regression model