Table 2.

AUC and Optimal Cutoff Value of Each Metabolic Parameter.

	OS			PFS
Survival Endpoint	Predict Time	AUC	Optimal Cutoff Value	Predict Time	AUC	Optimal Cutoff Value
SUVmax	67.93	0.540	11.72	54.33	0.634	11.72
SUVmean	67.93	0.537	3.9	54.33	0.575	7.92
SUVpeak	67.93	0.530	6.62	54.33	0.615	17.13
MTV30	67.93	0.498	21.38	54.33	0.577	21.38
MTV40	67.93	0.503	2.48	54.33	0.591	4.56
MTV50	67.93	0.566	1.13	54.33	0.617	4.04
MTV2.5	67.93	0.510	7.87	54.33	0.543	31.29
TLG30	67.93	0.459	319.22	54.33	0.612	82.28
TLG40	67.93	0.470	96.03	54.33	0.608	58.58
TLG50	67.93	0.594	62.94	54.33	0.616	34.55
TLG2.5	67.93	0.506	41.22	54.33	0.569	24.06

Abbreviations: AUC, area under the curve; MTV, metabolic tumor volume; OS, overall survival; PFS, progression-free survival; SUVs, standardized uptake values; TLG, total lesion glycolysis.