TABLE 3

Results of ROC Analysis for SUV_mean and SUV_max as Obtained by ¹⁸F-FDG PET

Parameter	P	Cutoff	Sensitivity (%)	Specificity (%)	AUC	Above cutoff	Below cutoff
SUV_mean, PFS
Baseline	0.04^∗	4.0	88.9	62.5	0.76	1.9 y (12/18)	5.2 y (6/18)
Follow-up	0.28	2.8	71.4	62.5	0.6	1.9 y (9/16)^†	3.5 y (7/16)^†
SUV_mean, OS
Baseline	0.2	6.9	37.5	100	0.63	2.0 y (3/18)	3.8 y (15/18)
Follow-up	0.28	2.8	62.5	71.4	0.6	2.8 y (9/16)^†	3.6 y (7/16)^†
SUV_max, PFS
Baseline	0.06	7.25	77.8	75	0.74	2.0 y (9/18)	3.5 y (9/18)
Follow-up	0.19	2.7	85.7	50	0.64	1.8 y (11/16)^†	3.5 y (5/16)^†
SUV_max, OS
Baseline	0.28	16.85	25	100	0.59	1.5 y (2/18)	3.7 y (16/18)
Follow-up	0.21	2.7	85.7	44.4	0.63	3.6 y (11/16)^†	3.6 y (5/16)^†

↵* Significant according to ROC analysis.
↵† 2 patients lost to PET-based follow-up.
Data in parentheses are numbers of patients.