Categorisation of development cohort into low, moderate and high risk
| GH (Yes) | GH (No) | Sensitivity | Specificity | NPV | PPV | LR+ | LR− | |
|---|---|---|---|---|---|---|---|---|
| Low risk (N=587) (Score≤1) | 21 (3.6%) | 566 (96.4%) | 91.9% | 25.0% | 96.4% | 12.4% | 1.22 | 0.32 |
| Moderate risk (N=1641) Score (2–6) | 158 (9.1%) | 1483 (90.9%) | 31.4% | 90.3% | 92.0% | 27.2% | 3.24 | 0.76 |
| High risk (N=301) (Score≥7) | 82 (27.2%) | 219 (72.8%) |
GH, gestational hypertension; NPV, negative predictive value; PPV, positive predictive value; LR+, Likelihood ratio positive; LR−, Likelihood ratio negative.