Table 4.
ROC analysis of SUVmax, MTV, and texture features.
| Parameter | Cutoff | Sensitivity | Specificity | Accuracy | AUC | p value |
|---|---|---|---|---|---|---|
| SUVmax | 18.6 | 1.00 | 0.75 | 0.83 | 0.850 | <0.001 |
|
| ||||||
| MTV (cm3) | 49.7 | 0.90 | 0.75 | 0.80 | 0.790 | 0.006 |
|
| ||||||
| PET texture features | ||||||
| 50th percentile | 4139 | 0.90 | 0.70 | 0.77 | 0.750 | 0.012 |
| Entropy | 7.13 | 0.80 | 0.80 | 0.80 | 0.800 | <0.001 |
| Volume (mm3) | 85824 | 0.80 | 0.80 | 0.80 | 0.805 | <0.001 |
|
| ||||||
| CT texture features | ||||||
| Max-frequency | 44 | 0.90 | 0.70 | 0.77 | 0.783 | 0.001 |