Table 2 Frequency and proportion of HRPB symptoms, and the test characteristics of each symptom
Symptom | N (% out of 7050) | Sensitivity | Specificity | Positive Predictive Value | Negative Predictive Value |
|---|---|---|---|---|---|
Signs of Preterm Labor | 540 (7.66) | 49.3% | 93.5% | 38.8% | 95.7% |
Premature rupture of membrane | 251 (3.56) | 52.6% | 91.9% | 19.2% | 98.1% |
Hemorrhage | 71 (1.01) | 64.8% | 90.8% | 6.7% | 99.6% |
Hypertension | 132 (1.87) | 37.9% | 90.8% | 7.3% | 98.7% |