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Table 3 Estimated risk of severe maternal outcome (SMO = NM + MD) among women with severe hypertensive disorders during pregnancy or childbirth according to characteristics of current pregnancy and delays in obstetric care

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

Predictors Total SMO PLTC PR 95% CI
% n % n %
Prenatal coverage (a)        
  Public 92.7 291 90.7 4566 92.6 0.76 0.47 – 1.23
  Other 7.3 30 9.3 351 7.1 (ref)  
Prenatal adequacy (b)        
  No 23.6 84 21.9 1486 23.7 0.91 0.71 – 1.15
  Yes 76.4 299 78.1 4771 76.3 (ref)  
Hospitalization coverage (c)        
  Public 99.3 386 98.7 6269 99.4 0.53 0.17 – 1.66
  Other 0.7 5 1.3 41 0.6 (ref)  
Gestational age at hospital admission (d)        
  <22 1,5 12 3.1 86 1.4 5.06 2.60 – 9.82
  22 – 27 4.9 35   288 4.6 4.47 2.53 – 7.92
  28 – 33 20.7 111 28.9 1265 20.2 3.33 2.21 – 5.02
  34 – 36 22.5 89 23.2 1409 22.5 2.45 1.59 – 3.79
  ≥37 47.2 76 19.8 3062 48.9 (ref)  
  Postpartum 3.2 61 15.9 152 2.4 11.82 7.59 – 18.43
Gestational age at delivery (e)        
  <22 0.5 3 0.9 30 0.5 3.23 1.13 – 9.28
  22 – 27 3.0 27 7.8 172 2.8 4.83 2.72 – 8.57
  28 – 33 17.5 110 31.8 1030 16.7 3.43 2.19 – 5.38
  34 – 36 22.6 96 27.7 1380 22.3 2.31 1.57 – 3.41
  ≥37 51.8 95 27.5 3284 53.1 (ref)  
  Still pregnant 4.6 15 4.3 284 4.6 1.78 1.03 – 3.10
Mode of delivery (f)        
  C-section 74.8 309 79.8 4694 74.5 1.33 0.99 – 1.79
  Other 25.2 78 20.2 1605 25.5 (ref)  
Onset of labor (g)        
  Spontaneous 26.8 66 17.7 1716 27.4 (ref)  
  Induction 9.0 33 8.9 562 9.0 1.50 0.86 – 2.60
  Elective C-section 59.0 254 68.3 3665 58.5 1.75 1.11 – 2.76
  Abortion 0.6 4 1.1 37 0.6 2.63 1.05 – 6.59
  Still pregnant 4.5 15 4.0 285 4.5 1.35 0.77 – 2.37
Access to referral center (h)        
  Not scheduled 10.2 69 18.4 576 9.7 2.98 1.62 – 5.47
  Scheduled 46.4 207 55.3 2715 45.9 1.97 1.30 -2.97
  Spontaneous 43.3 98 26.2 2628 44.4 (ref)  
Delay s        
  Women/family members (i) 39.9 146 44.9 2179 39.6 1.23 0.89 – 1.69
  Health service (j) 16.2 129 35.6 874 15.0 2.86 1.89 – 4.33
  Health professional (l) 19.1 132 36.6 1066 18.0 2.45 1.53 – 3.92
  Any delays 55.6 256 73.6 3131 54.5 2.22 1.44 – 3.43
Total   391 100 6315 100   
  1. Values in bold mean they are statistically significant; PR = prevalence ratio adjusted by cluster effect.
  2. Missing data: (a) 1468 cases; (b) 66 cases; (c) 5 cases; (d) 60 cases; (e) 180 cases; (f) 20 cases; (g) 69 cases; (h) 413; (i) 875 cases; (j) 513 cases; (l) 613 cases.