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Predictive measures of uterine EMG (rescaled sum of power spectrum [PS] peak frequency and propagation velocity) compared with current methods to predict preterm delivery within 7 days [19].
| Method | AUC | Best cutoff | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|---|
| EMG (PV + PS Peak Frequency) | 0.96 | 84.48 | 70% | 100% | 100% | 90% |
| Bishop Score | 0.72 | 10 | 18% | 100% | 100% | 81% |
| Transvaginal Cervical Length | 0.67 | 0.7 cm | 14% | 98% | 50% | 90% |
| Contractions on tocogram | 0.54 | N/A | 35% | 72% | 27% | 79% |
