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Table 4 Pregnancy outcomes according to predicted chance in fifths of uncomplicated pregnancy and birth using the full model

From: Prediction of uncomplicated pregnancies in obese women: a prospective multicentre study

 

Least likely to have an uncomplicated pregnancy and birth

  

Most likely to have an uncomplicated pregnancy and birth

  
 

1st fifth(n = 181)

2nd fifth(n = 181)

3rd fifth(n = 182)

4th fifth(n = 181)

5th fifth(n = 182)

P value

Uncomplicated pregnancy (%)

22 (12.2)

34 (18.8)

58 (31.9)

75 (41.4)

114 (62.6)

< 0.001

Antenatal outcomes (%)

 Miscarriagea

2 (1.1)

2 (1.1)

1 (0.5)

3 (1.7)

0 (0)

0.51

 Preterm delivery

11 (6.1)

16 (8.9)

6 (3.3)

7 (3.9)

5 (2.7)

0.04

 Gestational diabetes

77 (43)

50 (27.9)

57 (31.5)

35 (19.7)

29 (15.9)

< 0.001

 Preeclampsia

12 (6.7)

13 (7.3)

6 (3.3)

3 (1.7)

6 (3.3)

0.04

 Other hypertensive disorders

16 (8.9)

12 (6.7)

13 (7.2)

9 (5.1)

2 (1.1)

0.02

 Antepartum haemorrhage

11 (6.1)

4 (2.2)

8 (4.4)

12 (6.7)

3 (1.6)

0.06

 Placental abruption

2 (1.1)

0 (0)

1 (0.6)

1 (0.6)

2 (1.1)

0.68

 Venous thromboembolism

0 (0)

1 (0.6)

0 (0)

0 (0)

0 (0)

0.40

 Small for gestational age

26 (14.5)

31 (17.3)

18 (9.9)

18 (10.1)

18 (9.9)

0.10

 Large for gestational age

16 (8.9)

11 (6.1)

18 (9.9)

17 (9.6)

18 (9.9)

0.69

 Stillbirth

2 (1.1)

0 (0)

1 (0.6)

1 (0.6)

1 (0.5)

0.73

Labour outcomes (%)

 Induction of labour

95 (52.0)

76 (42.5)

60 (33.1)

45 (25.3)

51 (28.0)

< 0.001

 Elective caesarean section

41 (22.9)

22 (12.3)

34 (18.8)

41 (23.0)

44 (24.2)

0.03

 Mode of delivery (in labour)

      

  Spontaneous vaginal

56 (40.6)

76 (48.4)

94 (63.9)

105 (76.6)

127 (92.0)

< 0.001

  Instrumental delivery

27 (19.6)

35 (22.3)

21 (14.3)

16 (11.7)

3 (2.2)

< 0.001

  Emergency CS

55 (39.9)

46 (29.3)

32 (21.8)

16 (11.7)

8 (5.8)

< 0.001

 Postpartum haemorrhage

44 (24.6)

28 (15.6)

27 (14.9)

20 (11.2)

16 (8.8)

< 0.001

 Apgar < 7 at 5 min

6 (3.4)

4 (2.2)

2 (1.1)

4 (2.2)

3 (1.6)

0.66

 NICU admission

19 (10.6)

20 (11.2)

15 (8.3)

12 (6.7)

10 (5.5)

0.24

 Neonatal death

1 (0.6)

1 (0.6)

0 (0)

0 (0)

1 (0.5)

0.74

  1. aWomen with miscarriage were not included in the analysis of other outcomes
  2. CS caesarean section, NICU neonatal intensive care unit