Table 4.
MRI index | Judgment criteria | Tumor texture | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Youden index | |
---|---|---|---|---|---|---|---|---|
| ||||||||
Soft | Medium or tough | |||||||
T2PA | < 0.650 | 8 | 15 | 100 | 50.0 | 34.8 | 100 | 0.500 |
≥ 0.650 | 0 | 15 | ||||||
RT2 | < 1.72 | 8 | 13 | 100 | 56.7 | 38.1 | 100 | 0.567 |
≥ 1.72 | 0 | 17 | ||||||
ADCPA | < 1.031 | 8 | 23 | 100 | 23.3 | 25.8 | 100 | 0.233 |
≥ 1.031 | 0 | 7 | ||||||
RADC | < 0.85 | 3 | 4 | 37.5 | 93.3 | 42.9 | 78.8 | 0.308 |
≥ 0.85 | 5 | 26 |