Table 2

Selected maternal characteristics and mode of delivery (%)

Vaginal delivery

Caesarean section without indications

Caesarean section with indications

Total

Spontaneous

Operative

Antepartum

Intrapartum

Antepartum

Intrapartum

N = 205,551

N = 7,296

N = 1,735

N = 950

N = 27,011

N = 44,022

N = 286,565


Marital status (single)

13.5

9.3

2.7

6.0

11.8

10.7

12.7

Maternal age

≤16 years

2.5

2

0.1

1.9

1.4

2.4

2.3

16 to 35

87.8

85.7

89.4

85.9

80.1

86

86.8

≥35

9.7

12.3

10.6

12.3

18.5

11.6

10.9

Years of education

<7

30.9

28.4

11.4

20.5

18.4

24.7

28.6

7 to 12

57.1

54.9

59.0

56.1

59.4

57.6

57.4

>12

12

16.7

29.7

23.4

22.2

17.7

14.1

Primiparous

41.2

57.3

73.3

58.8

37.6

49.7

42.8

Previous pregnancy

Low birth weight

10.0

14.1

3.1

5.4

14.9

10.1

10.5

Fetal or neonatal death

2.0

2.4

1.6

3.6

2.6

2.6

2.1

Caesarean delivery in the last pregnancy

2

5.9

6.7

11.9

39.3

23.5

9

Current pregnancy

Induced labour

9.9

15.4

0.0

13.9

0.0

13.9

9.7

Prelabour rupture of membranes

9.4

13.2

8.4

16.0

8.7

15.3

10.3

Pregnancy induced hypertension

2.8

5.3

2.9

3.2

8.5

5.5

3.8

Pre-eclampsia

1.6

3.2

1.3

1.3

8.9

4.8

2.8

Eclampsia

0.2

0.8

0.1

0.3

1

0.6

0.4

Chronic hypertension

0.6

1

0.2

0.2

2.4

1.2

0.8

Vaginal bleeding in second half of pregnancy

0.9

1.2

0.6

0.9

3.6

2

1.3

Suspected fetal growth impairment

0.8

1

0.3

0.7

2.5

1

1

Breech or other non-cephalic presentation

1

25.1

0

0

14.7

12.6

4.7

Referred for complication related to pregnancy

18.8

23.9

9.1

14.2

34

28.8

21.8

HIV

0.8

0.5

0.5

1.4

1

0.9

0.8

Cardiac/Renal diseases

0.3

1

0.5

0.5

1.1

0.5

0.5

Chronic respiratory conditions

0.5

0.7

0.3

0.2

1

0.6

0.6

Diabetes mellitus

0.4

0.7

1.5

0.3

2.6

1

0.7

Malaria

3.3

2.7

0.2

1.3

0.4

1.1

2.6

Sickle cell anaemia

0.3

0.1

0.0

0.3

0.5

0.4

0.3

Severe anaemia

0.5

0.8

0.1

0.5

0.8

0.5

0.6

Pyelonephritis or urinary infection

5.9

4.4

0.6

5.4

8.4

8.6

6.5

Other medical conditions

5.3

5.3

10.2

5.7

12.6

8.2

6.5


Souza et al. BMC Medicine 2010 8:71   doi:10.1186/1741-7015-8-71

Open Data