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Table 3 Comparison of stillbirth rates among all births to hypertensive vs. normotensive women, Nova Scotia, 1988–2000.

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

  Total No. Stillbirths Relative Risk 95% CI P value
   No. %    
Normotensive women 122,855 461 0.4 1.0 - -
All hypertensive women 14,013 73 0.52 1.4 1.1,1.8 0.01
   Mild PIH 10,683 44 0.4 1.1 0.8,1.5 0.55
   Severe PIH 1,826 12 0.7 1.8 1.0,3.1 0.50
   HELLP 214 2 0.9 2.5 0.6,9.9 0.19
   Eclampsia 32 0 0.0 - 0.0,41.0 1.00
   Chronic Hypertension 773 7 0.9 2.4 1.2,5.1 0.03
   Chronic hypertension and PIH 485 8 1.7 4.4 2.2,8.8 <0.001
  1. PIH denotes pregnancy induced hypertension, HELLP denotes hemolysis, elevated liver enzymes, low platelets syndrome, HTN denotes hypertension, CI denotes Confidence interval.