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Optimal cut-off points of spectral Doppler indices and the results of spectral Doppler ultrasound diagnostic value.
| Variable | AUC | Specificity (%) | Sensitivity (%) | Cut-off point | P value |
|---|---|---|---|---|---|
| RI | 0.863 | 83 | 84 | 0.65 | 0.00 |
| PI | 0.882 | 86 | 84 | 1.32 | 0.00 |
| PSV | 0.702 | 62 | 68 | 12.4 | 0.00 |
| AT | 0.602 | 65 | 55 | 70 | 0.07 |
