Table 3.

Relative risk of preeclampsia with HBA1C cut-offs among diabetics.

			Univariate		Multivariable†
HBA1C	% (n) <HBA1C	% (n) ≥HBA1C	RR (95% CI)	p Value	RR (95% CI)	p Value
≥6.5	48.1 (76)	51.9 (82)	4.63 (1.40–15.38)	0.01*	4.42 (1.35–14.47)	0.01*
≥7	67.1 (106)	32.9 (52)	5.30 (2.00–14.07)	0.001*	5.26 (2.06–13.41)	0.001*
≥7.5	78.5 (124)	21.5 (34)	5.73 (2.41–13.66)	<0.0001*	5.60 (2.50–12.56)	<0.0001*
≥8	85.4 (135)	14.6 (23)	4.70 (2.08–10.64)	0.0002*	4.60 (2.18–9.69)	<0.0001*

*Significant at <0.05 level.

†Controlling for parity and body mass index.