Skip to main content

Table 3 Platelet characteristics at 14-18weeks gestation as predictor of early-onset pre-eclampsia

From: Evaluating mean platelet volume and platelet distribution width as predictors of early-onset pre-eclampsia: a prospective cohort study

Parameters

Platelet count

PDW

MPV

Sensitivity (%)

96.6

79.3

82.8

Specificity (%)

65.6

97.7

96.1

Positive predictive value (%)

11.6

62.2

50.0

Negative predictive value (%)

99.8

99.0

99.2

Diagnostic accuracy (%)

67.0

96.9

95.5

Area under the curve

0.828

0.909

0.891

95% Confidence interval

0.717–0.940

0.830–0.989

0.808–0.974

  1. Cut-off values were determined using Youden’s test: Platelet count = 211.5 × 103/µl, PDW = 21.3 fl. and MPV = 9.4 fl
  2. PDW– Platelet distribution width, MPV– Mean platelet volume