| | | | |
| PET positive nodes value | SUVmax ≥ 2 | SUVmax ≥ 3 | SUVmax ≥ 4 | SUVmax ≥ 5 |
| Regional based | |
| PET positive regions, n | 111 | 93 | 59 | 40 |
| True positive, n | 32 | 31 | 25 | 19 |
| Sensitivity, % ± CI | 68.1%(52.9-80.9) | 66.0%(50.7-79,1) | 53.2%(38,1-67,9) | 40.4%(26.4-55.7) |
| Specificity, % ± CI | 79.0%(74.5-83.0) | 83.5%(79.4-87.1) | 91.0%(87.6-93.7) | 94.4%(91.6-96.5) |
| Patient based | |
| PET positive patients, n | 65 | 56 | 39 | 25 |
| True positive, n | 27 | 27 | 22 | 17 |
| Sensitivity, % ± CI | 77.1%(59,9-89,6) | 77.1%(59.9-89.6) | 62.9%(44.9-78.5) | 48.6%(31.4-66.0) |
| Specificity, % ± CI | 64.2%(54,2-73,2) | 72.6%(63.1-80.9) | 84.0%(75.6-90.4) | 92.5%(86.0-96.7) |