Table 5. Full cut-off points for ultrasound variables.
| Median PI | |||
|---|---|---|---|
| Cutoff | Sensitivity | Specificity | Index |
| 0.2 | 1 | 0 | 0 |
| 1.35 | 1 | 0.037 | 0.037 |
| 1.8 | 1 | 0.074 | 0.074 |
| 2.15 | 1 | 0.111 | 0.111 |
| 2.25 | 1 | 0.148 | 0.148 |
| 2.35 | 1 | 0.259 | 0.259 |
| 2.45 | 1 | 0.333 | 0.333 |
| 2.55 | 1 | 0.407 | 0.407 |
| 2.65 | 1 | 0.444 | 0.444 |
| 2.75 | 1 | 0.481 | 0.481 |
| 2.85 | 0.957 | 0.481 | 0.438 |
| 2.95 | 0.957 | 0.519 | 0.475 |
| 3.05 | 0.913 | 0.519 | 0.432 |
| 3.25 | 0.87 | 0.519 | 0.388 |
| 3.5 | 0.826 | 0.519 | 0.345 |
| 3.65 | 0.783 | 0.519 | 0.301 |
| 3.75 | 0.783 | 0.556 | 0.338 |
| 4.05 | 0.739 | 0.556 | 0.295 |
| 4.35 | 0.739 | 0.63 | 0.369 |
| 4.45 | 0.739 | 0.667 | 0.406 |
| 4.55 | 0.696 | 0.667 | 0.362 |
| 4.65 | 0.652 | 0.704 | 0.356 |
| 4.75 | 0.565 | 0.741 | 0.306 |
| 4.85 | 0.565 | 0.778 | 0.343 |
| 4.95 | 0.391 | 0.852 | 0.243 |
| 5.05 | 0.391 | 0.889 | 0.28 |
| 5.15 | 0.304 | 0.889 | 0.193 |
| 5.25 | 0.217 | 0.889 | 0.106 |
| 5.4 | 0.174 | 0.889 | 0.063 |
| 5.6 | 0.13 | 0.889 | 0.019 |
| 5.75 | 0.13 | 0.926 | 0.056 |
| 6.1 | 0.087 | 0.926 | 0.013 |
| 6.7 | 0.087 | 0.963 | 0.05 |
| 7.5 | 0.043 | 0.963 | 0.006 |
| 8.35 | 0.043 | 1 | 0.043 |
| 9.7 | 0 | 1 | 0 |
| Uterine Volume mL | |||
| Cutoff | Sensitivity | Specificity | Index |
| -0.3 | 0 | 1 | 0 |
| 0.75 | 0.036 | 1 | 0.036 |
| 0.95 | 0.143 | 1 | 0.143 |
| 1.15 | 0.179 | 1 | 0.179 |
| 1.25 | 0.286 | 1 | 0.286 |
| 1.35 | 0.321 | 1 | 0.321 |
| 1.45 | 0.464 | 1 | 0.464 |
| 1.55 | 0.5 | 1 | 0.5 |
| 1.65 | 0.571 | 1 | 0.571 |
| 1.75 | 0.75 | 0.967 | 0.717 |
| 1.85 | 0.821 | 0.967 | 0.788 |
| 1.95 | 0.857 | 0.9 | 0.757 |
| 2.2 | 0.893 | 0.9 | 0.793 |
| 2.45 | 0.929 | 0.9 | 0.829 |
| 2.75 | 0.929 | 0.867 | 0.795 |
| 3.2 | 0.964 | 0.8 | 0.764 |
| 3.45 | 1 | 0.8 | 0.8 |
| 3.85 | 1 | 0.767 | 0.767 |
| 4.8 | 1 | 0.733 | 0.733 |
| 5.65 | 1 | 0.7 | 0.7 |
| 6.5 | 1 | 0.667 | 0.667 |
| 7.45 | 1 | 0.633 | 0.633 |
| 8.9 | 1 | 0.6 | 0.6 |
| 11.5 | 1 | 0.567 | 0.567 |
| 14.5 | 1 | 0.533 | 0.533 |
| 16.5 | 1 | 0.5 | 0.5 |
| 17.5 | 1 | 0.467 | 0.467 |
| 19.5 | 1 | 0.433 | 0.433 |
| 22.5 | 1 | 0.4 | 0.4 |
| 25 | 1 | 0.367 | 0.367 |
| 26.5 | 1 | 0.333 | 0.333 |
| 31 | 1 | 0.3 | 0.3 |
| 35.5 | 1 | 0.233 | 0.233 |
| 36.5 | 1 | 0.2 | 0.2 |
| 38 | 1 | 0.167 | 0.167 |
| 41.5 | 1 | 0.133 | 0.133 |
| 45 | 1 | 0.1 | 0.1 |
| 52.5 | 1 | 0.067 | 0.067 |
| 59.5 | 1 | 0.033 | 0.033 |
| 1 | 0 | 0 | |
| Length uterine cm | |||
| Cutoff | Sensitivity | Specificity | Index |
| 1 | 0 | 1 | 0 |
| 2.4 | 0.143 | 1 | 0.143 |
| 2.9 | 0.143 | 0.938 | 0.08 |
| 3.5 | 0.821 | 0.813 | 0.634 |
| 4.25 | 1 | 0.5 | 0.5 |
| 4.75 | 1 | 0.438 | 0.438 |
| 5.35 | 1 | 0.25 | 0.25 |
| 5.85 | 1 | 0.188 | 0.188 |
| 7 | 1 | 0.063 | 0.063 |
| 9 | 1 | 0 | 0 |
| Number average of follicles | |||
| Cutoff | Sensitivity | Specificity | Index |
| 0 | 0 | 1 | 0 |
| 1.5 | 0.038 | 1 | 0.038 |
| 2.25 | 0.192 | 1 | 0.192 |
| 2.75 | 0.269 | 0.958 | 0.228 |
| 3.25 | 0.462 | 0.958 | 0.42 |
| 3.75 | 0.731 | 0.833 | 0.564 |
| 4.25 | 0.731 | 0.792 | 0.522 |
| 4.75 | 0.808 | 0.708 | 0.516 |
| 5.25 | 0.846 | 0.667 | 0.513 |
| 5.75 | 0.885 | 0.625 | 0.51 |
| 6.25 | 0.923 | 0.625 | 0.548 |
| 6.75 | 0.962 | 0.542 | 0.503 |
| 7.25 | 0.962 | 0.417 | 0.378 |
| 7.75 | 0.962 | 0.375 | 0.337 |
| 8.25 | 0.962 | 0.333 | 0.295 |
| 9 | 0.962 | 0.25 | 0.212 |
| 10.75 | 0.962 | 0.208 | 0.17 |
| 12.5 | 1 | 0.042 | 0.042 |
| 14 | 1 | 0 | 0 |
| Diameter of the largest follicle cm | |||
| Cutoff | Sensitivity | Specificity | Index |
| -0.8 | 0 | 1 | 0 |
| 0.25 | 0.074 | 1 | 0.074 |
| 0.35 | 0.222 | 0.96 | 0.182 |
| 0.45 | 0.296 | 0.96 | 0.256 |
| 0.55 | 0.556 | 0.72 | 0.276 |
| 0.65 | 0.815 | 0.56 | 0.375 |
| 0.75 | 0.963 | 0.44 | 0.403 |
| 0.85 | 1 | 0.28 | 0.28 |
| 0.95 | 1 | 0.24 | 0.24 |
| 1.05 | 1 | 0.16 | 0.16 |
| 1.25 | 1 | 0.12 | 0.12 |
| 1.45 | 1 | 0.08 | 0.08 |
| 1.6 | 1 | 0.04 | 0.04 |
| 2.7 | 1 | 0 | 0 |
| Ovarian Volume mL | |||
| Cutoff | Sensitivity | Specificity | Index |
| -0.85 | 0 | 1 | 0 |
| 0.3 | 0.036 | 1 | 0.036 |
| 0.475 | 0.071 | 1 | 0.071 |
| 0.525 | 0.107 | 1 | 0.107 |
| 0.575 | 0.143 | 1 | 0.143 |
| 0.65 | 0.179 | 1 | 0.179 |
| 0.725 | 0.25 | 1 | 0.25 |
| 0.775 | 0.357 | 1 | 0.357 |
| 0.85 | 0.393 | 1 | 0.393 |
| 0.95 | 0.536 | 1 | 0.536 |
| 1.1 | 0.536 | 0.968 | 0.503 |
| 1.2 | 0.607 | 0.968 | 0.575 |
| 1.225 | 0.643 | 0.968 | 0.611 |
| 1.275 | 0.714 | 0.935 | 0.65 |
| 1.325 | 0.786 | 0.935 | 0.721 |
| 1.375 | 0.857 | 0.903 | 0.76 |
| 1.425 | 0.893 | 0.903 | 0.796 |
| 1.475 | 0.964 | 0.903 | 0.868 |
| 1.525 | 0.964 | 0.871 | 0.835 |
| 1.55 | 0.964 | 0.871 | 0.835 |
| 1.7 | 1 | 0.806 | 0.806 |
| 2.075 | 1 | 0.774 | 0.774 |
| 2.375 | 1 | 0.742 | 0.742 |
| 2,525 | 1 | 0.71 | 0.71 |
| 2.75 | 1 | 0.677 | 0.677 |
| Ovarian Volume mL | |||
| Cutoff | Sensitivity | Specificity | Index |
| 3.075 | 1 | 0.645 | 0.645 |
| 3.325 | 1 | 0.613 | 0.613 |
| 3.525 | 1 | 0.581 | 0.581 |
| 3.675 | 1 | 0.548 | 0.548 |
| 4.1 | 1 | 0.516 | 0.516 |
| 4.6 | 1 | 0.452 | 0.452 |
| 5.05 | 1 | 0.419 | 0.419 |
| 5.575 | 1 | 0.387 | 0.387 |
| 5.975 | 1 | 0.355 | 0.355 |
| 6.6 | 1 | 0.323 | 0.323 |
| 7.35 | 1 | 0.29 | 0.29 |
| 7.85 | 1 | 0.258 | 0.258 |
| 8.375 | 1 | 0.226 | 0.226 |
| 9.375 | 1 | 0.194 | 0.194 |
| 10.25 | 1 | 0.161 | 0.161 |
| 11 | 1 | 0.129 | 0.129 |
| 11.95 | 1 | 0.097 | 0.097 |
| 12.45 | 1 | 0.065 | 0.065 |
| 13.25 | 1 | 0.032 | 0.032 |
| 15 | 1 | 0 | 0 |