Table 5. ROC analysis of various parameters for #12u metastasis among patients having asymmetric uptake on the hilar lymph node on PET-CT.
| Parameter | AUC | Cut off | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|
| Short axis | 0.81 | 10.3 | 64 | 91 | 75 | 85 |
| Volume | 0.88 | 0.77 | 78 | 88 | 73 | 90 |
| SUVmax | 0.70 | 5.25 | 57 | 76 | 50 | 80 |
| TLG | 0.65 | 15.9 | 35 | 100 | 100 | 78 |
| mTLG | 0.89 | 2.45 | 79 | 88 | 73 | 91 |
ROC, receiver operating characteristic; PET-CT, positron emission tomography/computed tomography; AUC, area under the curves; PPV, positive predictive value; NPV, negative predictive value; SUVmax, maximum of standardized uptake value; TLG, total lesion glycolysis; mTLG, modified TLG.