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ROC-derived criteria based on the histology of the primary tumor
| Histology | Criteria | Sensitivity(%) | Specificity(%) | AUC |
|---|---|---|---|---|
| Adenocarcinoma | SUVmax ≥ 2.3 | 56.3 | 72.2 | 0.644 |
| Size (short diameter, mm) ≥5 | 59.4 | 64.2 | 0.702 | |
| LN SUV/blood pool SUV ≥1.4 | 71.9 | 60.6 | 0.667 | |
| Squamous cell carcinoma | SUVmax ≥ 3.6 | 92.0 | 64.3 | 0.803 |
| Size (short diameter, mm) ≥8 | 50.0 | 88.0 | 0.787 | |
| LN SUV/blood pool SUV ≥1.8 | 64.3 | 81.9 | 0.766 |
