Categorisation of the validation cohort into low, moderate and high risk
| GH (Yes) | GH (No) | Sensitivity | Specificity | NPV | PPV | LR+ | LR− | |
|---|---|---|---|---|---|---|---|---|
| Low risk (N=148) | 5(3.4%) | 143 (96.6%) | 88.1% | 23.6% | 96.6% | 7.4% | 1.15 | 0.50 |
| Moderate risk (N=487) | 33 (6.8%) | 454 (93.2%) | 9.5% | 98.7% | 94.0% | 33.3% | 7.31 | 0.92 |
| High risk (N=12) | 4 (33.3%) | 8 (66.7%) |
GH, gestational hypertension; LR−, Likelihood ratio negative; LR+, Likelihood ratio positive; NPV, negative predictive value; PPV, positive predictive value.