Table 4.

Accuracy between methods of fetal weight estimation

Mean percentage error	Clinical estimate by Consultant	Ultrasound estimate	P
<2.5 kg	8.53 (13.84)	6.07 (10.96)	0.313
2.5–3.0 kg	−0.30 (9.23)	2.16 (9.48)	0.063
3.1–3.5 kg	−3.73 (8.75)	−1.99 (9.71)	0.316
>3.5 kg	−11.54 (6.42)	−14.50 (9.50)	0.753
Overall	−0.01 (11.27)	0.90 (10.83)	0.43