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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.