The effect of hypertensive disorders in pregnancy on small for gestational age and stillbirth: a population based study

Table 4 Effect of hypertensive disorders in pregnancy on small for gestational age (< 10^th percentile) and stillbirth, Nova Scotia, 1988–2000.

	Crude			Adjusted
	Odds ratio	95% CI	P value	Odds ratio	95% CI	P value
Small for gestational age*
Normotensive women	1.0	-	-	1.0	-	-
Hypertensive women (any type)	1.6	1.5,1.6	<0.001	1.8	1.7,1.9	<0.001
Gestational hypertension without proteinuria	1.3	1.3,1.4	<0.001	1.5	1.4,1.6	<0.001
Gestational hypertension withproteinuria	2.7	2.5,2.9	<0.001	3.3	3.0,3.9	<0.001
Pre-existing hypertension	1.7	1.5,1.9	<0.001	2.5	2.1,2.9	<0.001
Stillbirth**
Normotensive women	1.0	-	-	1.0	-	-
Hypertensive women (any type)	1.4	1.1,1.8	0.01	1.4	1.1,1.8	0.02
Gestational hypertension without proteinuria	1.1	0.8,1.5	0.55	1.1	0.8,1.5	0.60
Gestational hypertension with proteinuria	1.8	1.0,3.1	0.03	1.6	0.9,2.9	0.08
Pre-existing hypertension	3.2	1.9,5.3	<0.001	3.2	1.9,5.4	<0.001

CI denotes Confidence interval. * Adjusted for smoking, maternal age, gestational diabetes, pre-existing diabetes, maternal anemia, nulliparity, marital status, drug abuse, prepregnancy weight, weight gain, antenatal steroids, twins and infant sex. ** Adjusted for smoking, maternal autoantibodies, maternal age, pre-existing diabetes, maternal anemia,prepregnancy weight and twins.

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