Diagnostic Value of Nodal Involvements by Activity of Main Lesion
| All nodes | Regional nodes | Remote nodes | ||||
| Parameter | Low | Mid to high | Low | Mid to high | Low | Mid to high |
| Sensitivity (%) | 15.2 | 41.5 | 15.4 | 33.7 | 15.0 | 46.9 |
| Specificity (%) | 95.7 | 92.3 | 91.1 | 89.6 | 97.9 | 93.5 |
| Positive predictive value (%) | 45.5 | 76.3 | 33.3 | 74.0 | 60.0 | 78.3 |
| Negative predictive value (%) | 82.8 | 71.3 | 78.8 | 61.6 | 84.7 | 76.4 |
Low = SUVmax < 5; mid to high = SUVmax ≥ 5.