Diagnostic Value of LN Metastasis Using Best-Cutoff Criteria in Mid to High Avidity in Primary Lesions
| Parameter | All (n = 73) | Regional (n = 26) | Remote (n = 47) |
| Sensitivity (%) | 66.1 | 70.0 | 64.1 |
| Specificity (%) | 85.7 | 66.7 | 100.0 |
| Positive predictive value (%) | 95.1 | 87.5 | 100.0 |
| Negative predictive value (%) | 37.5 | 40.0 | 36.4 |
Best-cutoff criteria (SUVmax, 3.3) was determined from all nodes and then applied to both regional and remote groups.