Table 3. Predictive capability of twice or more preHTN measured, abnormal findings of uterine artery Doppler velocimetry, and the combination of both parameters in the preHTN group.
| Test | Test positive, n (%) | Category | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | OR (95% CI) | p-Value |
|---|---|---|---|---|---|---|---|---|
| Two or more preHTN | 134 (60.1) | PE | 76.9 | 41.0 | 27.5 | 83.6 | 1.5 (1.2–1.8) | 0.015* |
| GHTN | 87.5 | 45.5 | 35.7 | 86.6 | 1.6 (1.0–2.2) | 0.008* | ||
| HDP | 83.8 | 47.2 | 41.1 | 88.3 | 1.9 (1.0–3.1) | < 0.001* | ||
| Abnormal UtA Doppler | 46 (20.6) | PE | 69.2 | 82.4 | 39.8 | 71.3 | 2.1 (1.1–2.9) | < 0.001* |
| GHTN | 83.3 | 86.9 | 40.1 | 74.9 | 2.0 (1.6–2.8) | < 0.001* | ||
| HDP | 83.8 | 91.9 | 49.1 | 79.5 | 2.3 (1.6–3.4) | < 0.001* | ||
| Two or more preHTN + abnormal UtA Doppler | 22 (9.8) | PE | 61.5 | 93.3 | 62.0 | 81.3 | 2.6 (1.5–3.2) | < 0.001* |
| GHTN | 70.8 | 97.5 | 63.8 | 81.4 | 2.4 (1.2–4.1) | < 0.001* | ||
| HDP | 67.6 | 98.4 | 67.5 | 88.3 | 2.9 (1.1–4.1) | < 0.001* |
Data: n (percent), odds ratios, and confidence interval (CI) * p-Value: <0.05 via logistic regression analysis.
UtA: uterine artery Doppler, PE: preeclampsia, GHTN: gestational hypertension, HDP: pregnancy-induced hypertension, PPV: positive predictive value, NPV: negative predictive value, OR: odds ratio.