Table 5 Receiver operating characteristics curve (ROC) for prediction of response by early-stage interim PET/CT nodal and extra-nodal SUVmax:
AUC | 95% CI | Cutoff | Sensitivity | Specificity | PPV | NPV | Accuracy | |
|---|---|---|---|---|---|---|---|---|
PET/CT nodal SUVmax | 0.722 | 0.42–1.0 | 2.75 | 77.8% | 66.7% | 85% | 53.8% | 72.7% |
PET/CT extra-nodal SUVmax | 0.708 | 0.23–1.0 | 3.00 | 87.5% | 66.7% | 87.5% | 66.7% | 81.8% |