Table 3. Baseline PET/CT parameters.
| Parameter | Median (interquartile range) | ROC curve for PFS | ROC curve for OS | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AUC (95%CI) | P value | Cutoff | Sensitivity | Specificity | AUC (95%CI) | P value | Cutoff | Sensitivity | Specificity | |||
| SUVmax | 19.3(11.7-28.8) | 0.527(0.402-0.653) | 0.68 | 19.0 | 63% | 52% | 0.604(0.467-0.741) | 0.265 | 15.8 | 91% | 44% | |
| MTV (cm3) | 50.7(17.4-150.9) | 0.720(0.599-0.840) | 0.001 | 70.0 | 78% | 69% | 0.813(0.713-0.913) | 0.001 | 78.0 | 91% | 64% | |
| TLG(g) | 497.3(104.0-1451.6) | 0.714(0.591-0.836) | 0.001 | 826.5 | 70% | 75% | 0.81(0.706-0.915) | 0.001 | 726.0 | 91% | 66% | |
Abbreviations: SUVmax, maximum standard uptake value; ROC curve, receiver-operating characteristic curve; PFS, progression-free survival; OS, overall survival; AUC, area under curve; CI, confidence interval.