Table 2.

Univariable Cox regression analysis for event-free (EFS) and overall survival (OS)

	HR (EFS)	(95% CI for HR)	p-value	HR (OS)	(95% CI for HR)	p-value
SULmax	1.04	(0.97–1.11)	0.31	1.0	(0.9–1.11)	0.97
SULpeak	1.04	(0.96–1.13)	0.34	1.0	(0.88–1.12)	0.90
TLGtotal	1.0	(1.0–1.0)	0.26	1.0	(1.0–1.0)	0.84
MTVtotal	1.0	(1.0–1.01)	0.16	1.0	(1.0–1.01)	0.42
Staging (localized vs. metastatic)	2.2	(1.2–4.5)	0.03a	1.6	(0.65–4.1)	0.29
Tumor size (</≥ 8 cm)	2.4	(0.74–7.9)	0.15	3.4	(0.45–25.3)	0.24
Histologic response (good/poor)	1.9	(0.8–4.4)	0.15	2.1	(0.59–7.3)	0.26

CI confidence interval, EFS event-free survival, HR hazard ratio, MTV metabolic tumor volume, SUL standardized uptake value lean-body mass corrected, TLG total lesion glycolysis, OS overall survival

^a Indicates significance