Table 3.

Test Performance Characteristics for the Prediction of Pre-Eclampsia at Individual Risk-Based Scores

Score	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)
≥4 (n=80)	46.9% (32.5–61.7)	89.1% (86.1–91.7)	29.1% (19.4–40.4)	94.6% (92.2–96.5)
≥5 (n=67)	40.8% (27.0–55.8)	91.1% (88.3–93.4)	30.3% (19.6–42.9)	94.2% (91.7–96.1)
≥6 (n=53)	36.7% (23.4–51.7)	93.2% (90.7–95.2)	34.0% (21.5–48.3)	93.9% (91.5–95.8)
≥7 (n=30)	24.5% (13.3–38.9)	96.5% (94.5–97.9)	40.0% (22.7–59.4)	93.1% (90.6–95.1)
≥8 (n=16)	14.3% (5.9–27.2)	98.3% (96.7–99.2)	43.8% (19.8–70.1)	92.3% (89.8–94.4)

^*CI=confidence interval