Percent error of ultrasound examination to estimate fetal weight at term in different categories of birth weight with focus on maternal diabetes and obesity

Table 3 Putative risk factors for EFW > ± 10% of BW, OR derived from logistic regression analysis

	cOR	CI	aOR	CI	p-value
BMI ≥ 30 kg/m² (12.8%; N = 1,389)	1.116	0.987- 1.262	1.002	0.879–1.141	0.978
GDM (11.4%; N = 1,260)	1.028	0.903–1.170	0.913	0.796–1.048	0.197
Pre-existing DM (1.1%; N = 126)	1.615	1.126–2.316	1.145	0.785–1.672	0.482
Days of last US to delivery > 7–14 (20.9%; N = 2,309)	1.727	1.567–1.902	1.711	1.549–1.890	< 0.001
EWG (IOM) (44.8%; N = 4,945)	1.040	0.957–1.133	0.964	0.883–1.052	0.411
LGA (≥ 90. Perc.) (10.2%; N = 1,125)	2.705	2.386–3.062	2.085	1.729–2.513	< 0.001
BW ≥ 4000 g (12.2%; N = 1,350)	2.315	2.061–2.601	1.499	1.258–1.786	< 0.001
SGA (≤ 10.Perc.) (12.1%; N = 1,338)	1.231	1.089–1.392	1.464	1.289–1.664	< 0.001

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