Table 4. Multivariate Cox regression models for the overall survival analysis.

Models	Multivariate analysis
	Hazard Ratio (95% CI)	p
Model 1
SUVmax	1.17 (1.02-1.34)	0.02
Metastatic disease	1.62 (0.29-9.01)	0.58
Male gender	2.23 (0.39-12.59)	0.36
Model 2
SUVpeak	1.31 (1.05-1.65)	0.01
Metastatic disease	1.75 (0.32-9.47)	0.51
Male gender	2.18 (0.38-12.29)	0.37

CI: Confidence Interval; SUV: Standardized Uptake Value.