Table 2.
Diagnostic performance of all acquired quantitative parameters
| Index | AUC | p value | Cutoff | Sensitivity | 95 % CI | Specificity | 95 % CI |
|---|---|---|---|---|---|---|---|
| PI | 0.540 | 0.523 | 1.90 | 77.8 | 62.9–88.8 | 39.5 | 25.0–55.6 |
| RI | 0.642 | 0.016 | 0.64 | 78.7 | 64.3–89.3 | 53.3 | 37.9–68.3 |
| SWVmax | 0.867 | < 0.0001 | 3.20 | 81.5 | 70.0–90.1 | 88.1 | 77.1–95.1 |
| SWVinterm | 0.864 | < 0.0001 | 2.58 | 86.4 | 75.0–94.0 | 80.0 | 67.0–89.6 |
| SWVmin | 0.829 | < 0.0001 | 2.10 | 87.1 | 76.1–94.3 | 73.2 | 59.7–84.2 |
| L/F ratio | 0.873 | < 0.0001 | 2.06 | 92.1 | 82.4–97.4 | 74.1 | 61.0–84.7 |
PI pulsatility index, RI resistive index, SWV shear wave velocity, SWVmax maximum SWV, SWVinterm intermediate SWV, SWVmin minimum SWV
Cut-off values of SWVmax, SWVinterm, and SWVmin are given in m/s. Sensitivity, specificity, and 95 % confidence intervals in %