Table 3.

Prognostic predictors in multivariate analysis using a Cox proportional hazards model

Variable	Hazard ratio (95% CI)	p-value
Upfront surgery (absent vs. present)	1.241 (0.643–2.393)	0.520
Age (yr) (>61 vs. ≤61)	1.991 (0.997–3.976)	0.051
Sex (male vs. female)	1.613 (0.712–3.656)	0.252
SUVmax (>7 vs. ≤7)	2.568 (1.245–5.295)	0.011
Histological tumor size (mm) (>20 vs. ≤20)	1.744 (0.889–3.420)	0.106

Statistically significant results are marked in bold.

CI, confidence interval; SUVmax, maximum standard uptake value.