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Table 3 Accuracy of both weight estimations regarding actual birth weight in all overweight pregnant women

From: Fetal weight estimation at term – ultrasound versus clinical examination with Leopold’s manoeuvres: a prospective blinded observational study

EFW

Leopold’s manoeuvres

Ultrasound

p value

Absolute error [g]

343 ± 250

245 ± 190

<0.001a

Absolute error > 500g [%]

22.6

9.1

0.0002b

Absolute % error [g]

10.1 ± 7.8

7.3 ± 6.1

<0.001a

Absolute % error > 10% [%]

42.1

24.4

0.0002b

Absolute % error > 20% [%]

12.8

4.3

0.0026b

  1. aPaired T test, bExact McNemar test