Sensitivity and Specificity of Different Methods of Volume Delineation
18F-FMISO | 18F-FLT | |||||
Segmentation | Sensitivity | Specificity | AUC | Sensitivity | Specificity | AUC |
1.2 | 1 | 0.56 | 0.78 | 0.92 | 0.5 | 0.71 |
1.4 | 0.86 | 0.72 | 0.79 | 0.92 | 0.83 | 0.88 |
SUVmax | ||||||
40% | 1 | 0 | 0.50 | 1 | 0 | 0.50 |
50% | 1 | 0 | 0.50 | 1 | 0 | 0.50 |
SUVmaxAorta | ||||||
1.3 × | 1 | 0.56 | 0.78 | 0.96 | 0.5 | 0.73 |
1.5 × | 0.71 | 0.96 | 0.84 | 0.92 | 0.83 | 0.88 |
1.6 × | 0.14 | 1 | 0.57 | 0.92 | 0.83 | 0.88 |
SUVmeanAorta | ||||||
1.3 × | 1 | 0.36 | 0.68 | 1 | 0.33 | 0.67 |
1.5 × | 1 | 0.4 | 0.70 | 1 | 0 | 0.50 |
1.6 × | 1 | 0.56 | 0.78 | 1 | 0 | 0.50 |
SUVmaxLung | ||||||
1.3 × | 1 | 0 | 0.50 | 1 | 0 | 0.50 |
1.5 × | 1 | 0.1 | 0.55 | 1 | 0.33 | 0.67 |
1.6 × | 1 | 0.1 | 0.55 | 1 | 0.33 | 0.67 |
SUVmeanLung | ||||||
1.3 × | 1 | 0 | 0.50 | 1 | 0 | 0.50 |
1.5 × | 1 | 0 | 0.50 | 1 | 0 | 0.50 |
1.6 × | 1 | 0 | 0.50 | 1 | 0 | 0.50 |
SUVmaxMuscle | ||||||
1.3 × | 0.43 | 0.96 | 0.70 | 0.96 | 0.83 | 0.90 |
1.5 × | 0.29 | 1 | 0.65 | 0.92 | 0.83 | 0.88 |
1.6 × | 0.29 | 1 | 0.65 | 0.87 | 0.83 | 0.85 |
SUVmeanMuscle | ||||||
1.3 × | 0 | 0.96 | 0.48 | 1 | 0.17 | 0.59 |
1.5 × | 1 | 0.14 | 0.57 | 1 | 0.17 | 0.59 |
1.6 × | 1 | 0.52 | 0.76 | 0.96 | 0.17 | 0.57 |
For sensitivity and specificity reference standard defined by consensus group.