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Diagnostic values of transvaginal ultrasound for pelvic congestion syndrome using the criteria of any pelvic vein diameter of 8 mm or larger.
| Transvaginal Ultrasound | Value | CI 95% |
|---|---|---|
| Sensitivity | 92.31% | 78.03–97.99% |
| Specificity | 75% | 42.84–93.31% |
| Positive predictive value | 92.28% | 81.71–96.97% |
| Negative predictive value | 75.07% | 49.18–90.36% |
| False positive rate | 7.69% | 2.01–21.97% |
| False negative rate | 25% | 6.7–57.16% |
