Table 6. Multivariable analyses for each clinical feature.

Clinical features	Hazard ratio	95% CI	p Value	Hazard ratio
Risk score	1.884	1.287-2.757	<0.001
T	1.656	1.383-1.984	0.001
M	4.050	1.274-12.880	0.617
Stage	1.636	1.337-2.003	0.957
Neoplasm cancer status	2.801	1.766-4.444	<0.001
New tumor event after initial treatment	1.912	1.218-3.000	0.005

Abbreviations: T, Tumor; N, Node(regional lymph node); M, Metastasis; 95% CI, 95%Confidence Interval