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Table 2 Accuracy of both weight estimations regarding effective birth weight in all normal weight 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] 279 ± 225 257 ± 204 0.0696a
Absolute error > 500g [%] 17.2 12.9 0.0805b
Absolute % error [g] 8.6 ± 7.5 7.9 ± 6.5 0.051a
Absolute % error > 10% [%] 33.5 29.6 0.155b
Absolute % error > 20% [%] 7.1 6.9 1.0b
  1. aPaired T test, bExact McNemar test