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

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

  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
  1. 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.