Table 3. Multivariate Cox proportional hazards models.

Covariable factors	Hazard ratio	95% Confidence intervals	p value
SUVmax*	42.9	3.63–508.26	0.003
Stage	7.3	1.21–43.95	0.030
Age (years)	8.6	1.34–54.80	0.023
Initial location	1.7	0.61–4.52	0.322
Tumor size (cm)	4.65	0.67–32.24	0.121

* SUVmax = maximal standardized uptake value