Table 5.
Diagnostic performance of 18F-FDG PET/CT parameters for predicting pulmonary atypical carcinoids.
| Parameter | Cut-off value | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | Accuracy (%) |
|---|---|---|---|---|---|---|
| Maximum diameter (cm) | 3.00 | 42.9 | 94.9 | 81.8 | 75.5 | 76.7 |
| SUVmax | 5.19 | 61.9 | 76.9 | 59.1 | 79.0 | 71.7 |
| SUVmean | 3.18 | 52.4 | 82.1 | 61.1 | 76.2 | 71.7 |
| MTV | 4.36 | 61.9 | 66.7 | 50.0 | 76.5 | 65.0 |
| TLG | 18.44 | 52.4 | 84.6 | 64.7 | 76.7 | 73.3 |
| SULmax | 2.65 | 85.7 | 51.3 | 48.7 | 87.0 | 63.3 |
| SUVbsa | 1.47 | 66.7 | 76.9 | 60.9 | 81.1 | 73.3 |