TABLE 6.

Comparison of univariate and multivariate analysis.

	Univariate survival analysis			Multivariate survival analysis
Covariate	HR	95% CI	P-value	HR	95% CI	P-value
Age (>60 years)	1.45	1.04–2.02	0.029	1.45	1.03–2.00	3.20E-02
Gender (Female)	1.11	0.79–1.52	0.545	0.98	0.69–1.40	0.896
Tumor Stage (III + IV)	1.94	1.39–2.72	0.001	1.89	1.33–2.70	4.00E-04
Tumor Status (With Tumor)	8.29	4.69–14.67	<0.001	9.24	5.21–2.80	2.76E-14
Breslow Depth(>3 mm)	2.50	1.79–3.51	<0.001	1.96	1.38–2.80	1.70E-04
Risk Score (>0)	1.82	1.33–2.50	<0.001	2.44	1.68–3.50	3.02E-06

HR: Hazard Ratio, 95% CI: 95% Confidence Interval.