Table 5.

Multivariate analyses for overall survival by Cox regression model.

Variable	Parameters	Hazard ratio	95% CI	p value
Age (years)	≤60 versus >60	0.83	0.322–2.175	0.7
Gender	Male versus female	0.34	0.129–0.972	0.006
Stage	≥T2 versus Ta-T1	9.8	2.25–42.88	<0.001
Grade	G3 versus G1/2	2.49	0.9–6.84	0.02
Number of tumors	Multiple versus single	0.49	0.3–1.09	0.02
Regional lymph node involvement	Present versus absent	0.02	0.0–4.795	<0.001
NEDD9	Low versus high	2.01	0.95–4.22	0.029
P38	Low versus high	3.7	1.81–7.94	<0.001

p < 0.05 is significant.