Table 7.
Diagnostic performance of the parameters by ROC curve
| AUC (95% CI) | p-value | Youden index | Cut-off value | Sensitivity (%) | Specificity (%) | |
|---|---|---|---|---|---|---|
| ADC | 0.852 (0.739-0.964) | < 0.001 | 0.577 | 0.757 | 67.70 | 90.00 |
| Dslow | 0.903 (0.820-0.987) | < 0.001 | 0.671 | 0.612 | 87.10 | 80.00 |
| f | 0.897 (0.815-0.979) | < 0.001 | 0.639 | 0.601 | 83.90 | 80.00 |
| DDC | 0.863 (0.737-0.989) | < 0.001 | 0.750 | 1.292 | 100.00 | 75.00 |
| α | 0.926 (0.858-0.993) | < 0.001 | 0.635 | 0.866 | 93.50 | 70.00 |
| Dfast | 0.820 (0.695-0.946) | < 0.001 | 0.639 | 2.705 | 80.00 | 87.10 |
| Ki-67 LI | 0.955 (0.903-1.000) | < 0.001 | 0.821 | 9.000 | 95.00 | 87.10 |
ADC (× 10-3 mm2/s), Dslow (× 10-3 mm2/s), Dfast (× 10-3 mm2/s), f (unitless), DDC (× 10-3 mm2/s), α (unitless), Ki-67 LI (%), 95% CI = 95% Confidence Interval.