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Table 5 Sociodemographic and clinical variables for severe maternal morbidity (SMM) and near miss (NM)/death. Teresina, Piaui, Brazil

From: Incidence and determinants of severe maternal morbidity: a transversal study in a referral hospital in Teresina, Piaui, Brazil

Variables

SMM (n = 343)

NM/Death (n = 66)

CCa (n = 824)

SMM vs. CCb

NM/Death vs. CCc

N

%

N

%

N

%

OR (CI 95 %)

OR (CI 95 %)

Age < 20 years

        

 No

266

77.5

49

74.2

654

79.4

1.0

1.0

 Yes

77

22.5

17

25.8

170

20.6

1.1 (0.3–1.6)

1.3 (0.5–1.9)

Education < 8 years

        

 No

209

60.9

41

62.1

505

61.3

1.0

1.0

 Yes

134

39.1

25

37.9

319

38.7

1.1 (0.7–1.9)

0.9 (0.6–1.4)

Partner

        

 Yes

272

79.3

51

77.3

629

76.3

1.0

1.0

 No

71

20.7

15

22.7

195

23.7

0.8 (0.5–2.3)

0.9 (0.6–1.8)

Number of pregnancies ≥ 4

        

 No

295

86.0

57

86.4

722

87.6

1.0

1.0

 Yes

48

14.0

9

13.6

102

12.4

1.1 (0.4–1.9)

1.1 (0.6–1.7)

Previous cesarean

        

 No

89

25.9

21

31.8

264

32.0

1.0

1.0

 Yes

254

74.1

45

68.2

560

68.0

1.3 (0.7–2.3)

1.0 (0.8–2.0)

Gestational age < 37 weeks

        

 No

172

50.6

28

45.2

432

54.5

1.0

1.0

 Yes

168

49.4

34

54.8

360

45.5

1.2 (0.6–1.3)

1.5 (0.8–2.3)

Prenatal consultations < 6

        

 No

165

49.4

31

49.2

402

50.4

1.0

1.0

 Yes

169

50.6

32

50.8

396

49.6

1.0 (0.6–1.6)

1.0 (0.7–2.1)

Comorbidities

        

 No

265

77.3

53

80.3

650

78.9

1.0

1.0

 Yes

78

22.7

13

19.7

174

21.1

1.0 (0.5–1.5)

0.9 (0.4–1.9)

Hysterectomyd

        

 No

341

99.4

46

69.7

824

100.0

---

---

 Yes

2

0.6

20

30.3

---

---

Cesarean section (current delivery)

        

 No

91

27.1

5

8.2

322

40.2

1.0

1.0

 Yes

245

72.9

56

91.8

479

59.8

6.2 (1.7–11.3)*

8.3 (1.9–13.1)*

Length of hospital stay (≥5 days)

        

 No

160

46.6

22

33.3

768

93.2

1.0

1.0

 Yes

183

53.4

44

66.7

56

6.8

6.7 (1.5–8.4)*

9.6 (1.7–12.8)*

APGAR 1st minute < 7

        

 No

277

85.5

39

73.6

744

93.5

1.0

1.0

 Yes

47

14.5

14

26.4

52

6.5

2.5 (1.7–4.9)*

4.6 (1.9–5.4)*

APGAR 5th minute < 7

        

 No

313

96.6

50

94.3

770

96.7

1.0

1.0

 Yes

11

3.4

3

5.7

26

3.3

1.0 (0.5–2.6)

1.2 (0.7–2.2)

Fetal weight < 2500 g

        

 No

195

58.4

29

50.0

445

54.6

1.0

1.0

 Yes

139

41.6

29

50.0

370

45.4

0.8 (0.5–1.5)

1.3 (0.8–1.8)

Neonatal death

        

 No

299

89.5

47

81.0

715

87.7

1.0

1.0

 Yes

35

10.5

11

19.0

100

12.3

0.8 (0.4–1.4)

1.4 (0.7–1.9)

  1. *p-value < 0.05 (chi-square association test/Fisher’s exact test)
  2. aControl cases
  3. bSevere maternal morbidity cases versus control cases
  4. cNear miss/deaths cases versus control cases
  5. dCriterion for maternal near miss