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Table 2 Demographic and obstetrical characteristics of women with maternal near-miss in two groups

From: Women with maternal near-miss in the intensive care unit in Yangzhou, China: a 5-year retrospective study

Characteristics

ICU group

None-ICU group

  

N

%

N

%

OR 95%CI

baOR 95%CI

Age

  < 35

51

78.5

69

80.2

1 (ref.)

 

  ≥ 35

14

21.5

17

19.8

0.90(0.41,1.99)

 

Citizenship

 Local

49

75.4

66

76.7

1 (ref.)

 

 Migrant

16

24.6

20

23.3

0.93(0.44,1.97)

 

Region

 Rural

42

64.6

41

47.7

0.50(0.26,0.97)

1.67(0.79,3.52)

 Urban

23

35.4

45

52.3

1 (ref.)

1 (ref.)

Gestational age

  < 37

52

80.0

60

69.8

0.58(0.27, 1.24)

 

  ≥ 37

13

20.0

26

30.2

1 (ref.)

 

Referral

 No

38

58.5

69

80.2

1 (ref.)

1 (ref.)

 Yes

27

41.5

17

19.8

0.35(0.17,0.72)

3.32(1.40, 7.32)

Parity

 P0

7

10.8

5

5.8

1 (ref.)

1 (ref.)

 P1

18

27.7

39

45.3

3.03(0.85, 10.87)

0.26(0.07, 1.03)

P ≥ 2

40

61.5

42

48.9

1.14 (0.43, 5.00)

0.73 (0.20, 2.70)

Prenatal examinations

 Regular

51

78.5

75

87.2

1 (ref.)

 

 Irregular

14

21.5

11

12.8

0.53(0.22,1.27)

 

Previous cesarean birth

 0

41

63.1

56

65.1

1 (ref.)

 

  ≥ 1

24

36.9

30

34.9

0.91(0.47,1.79)

 

Mode of birth

 Cesarean birth

60

92.3

63

73.3

0.23(0.08, 0.64)

4.96(1.66, 14.86)

 Vaginal birth

5

7.7

23

26.7

1 (ref.)

1 (ref.)

Method of conception

 Spontaneous

58

89.2

75

87.2

1 (ref.)

 

 ART a

7

10.8

11

12.8

1.22(0.44, 3.33)

 

Hospitalization time

  ≤ 7

15

23.1

22

25.6

1 (ref.)

 

  > 7

50

76.9

64

74.4

0.87(0.41, 1.86)

 

Timing in ICU admission

  Antepartum

2

3.1

    

  Postpartum

63

96.9

    

Length of stay in the ICU

 1–3

35

53.8

    

  ≥ 4

30

46.2

    
  1. a ART is defined as assisted reproductive technology
  2. bOR adjusted by region, referral, parity and mode of delivery
  3. Ref reference category
  4. Bold value refers: statistically significant association