Table 4. Multivariate Cox model in patients of NPC.

Characteristic	B	SE	Wald χ2	Hazard ratios (95% CI)	P
Metastasis	−1.82	0.351	26.861	0.162 (0.081–0.322)	<0.001
Gender	−0.464	0.503	0.85	0.629 (0.235–1.685)	0.357
TNM staging	1.021	0.602	2.874	2.776 (0.853–9.037)	0.09
T staging	−0.993	0.601	2.729	0.370 (0.114–1.203)	0.099

NPC, nasopharyngeal carcinoma; B, regression coefficient; SE, standard error.