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Diagnostic Performance of Uterocervical Angle and Cervical Length for Prediction of Preterm Delivery
| Parameters | Sensitivity | Specificity | PPV | NPV | PLR | NLR | ROC Area |
|---|---|---|---|---|---|---|---|
| UCA ≥110.97 degrees | 65.1% (49.1–79.0) | 43.6% (34.4–53.1) | 29.8% (20.8–40.1) | 77.3% (65.3–86.7) | 1.15 | 0.8 | 0.544 |
| CL <3.4 cm | 72.1% (72.1–56.3) | 46.2% (36.9–55.6) | 33% (23.6–43.4) | 81.8% (70.4–90.2) | 1.34 | 0.61 | 0.591 |
| UCA≥110.97 degrees and CL<3.4 cm | 48.8% (33.3–64.5) | 68.4% (59.1–76.7) | 36.2% (24.0–49.9) | 78.4% (69.2–86) | 1.54 | 0.75 | 0.586 |
