Prospective verification of sonographic fetal weight estimators among term parturients in Uganda

Table 4 Comparison of sonographic estimators with actual birth weight of 356 neonates in Mulago national referral hospital

Formula	mean diff	SD	t	95%CI	p-value	effect size/magnitude of mean diff
HADLOCK1^a	175.3	285.4	11.6	(145.6–205.6)	< 0.001	0.61
HADLOCK2^a	106.4	276.5	7.3	(77.6–135.2)	< 0.001	0.38
HADLOCK3^a	59.6	281.0	4.0	(30.4–88.9)	0.0001	0.21
HADLOCK4^a	58.7	274.2	4.0	(30.1–87.3)	< 0.001	0.21
SHEPARD^a	22.3	327.0	1.3	(−11.8 to 56.3)	0.200	0.07

^apaired t-test was used because the sonographic estimators (formulas) and actual birth weight were normally distributed, variance assumption was met and before and after weight measurements were taken

ISSN: 1471-2393