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Table 5 Poisson multiple regression analyses with variables independently associated with severe maternal outcome (SMO = NM + MD; N = 5488*) among women with severe hypertensive disorders during pregnancy or childbirth

From: Maternal near miss and death among women with severe hypertensive disorders: a Brazilian multicenter surveillance study

Variables PRadj 95% CI p
Clinical    
  Gestational age <37 weeks or postpartum at hospital admission 1.73 1.22 – 2.44 0.003
  Postpartum hemorrhage 1.60 1.28 – 2.00 <0.001
  Pulmonary edema 1.86 1.24 – 2.82 0.005
  Previous heart disease 1.98 1.19 – 1.59 0.029
Management    
  Blood transfusion 3.67 2.48 – 5.44 <0.001
  Invasive mechanical ventilation 2.83 1.99 – 4.01 <0.001
  ICU admission 3.75 2.06 – 6.82 <0.001
  Hospital stay >7days 1.66 1.18 – 2.33 0.005
Delays    
  Delay: health system 1.60 1.19 – 3.29 0.010
  Delay: health professional 1.28 1.03 – 1.59 0.029
  1. PRadj = prevalence ratio adjusted by cluster effect and all other predictors entering the model of Poisson multivariate regression analysis (maternal age, skin color, education, marital status, number of pregnancies, number of childbirths, previous C-sections, history of medical conditions, smoking, prenatal coverage, prenatal adequacy, hospitalization coverage, gestational age at hospital admission, gestational age at delivery, mode of delivery, onset of labor, access to referral center, and delays).
  2. *There were 1218 cases excluded due to at least one missing value for variables entering the model