Robson’s group

Rate of complications

n (%)

*APGAR score < 7

n (%)

Neonatal infection

n (%)

Neonatal death

n (%)

Contribution to the global rate of complications (%)

1

36/100 (36.0)

16/36 (44.4)

6/36 (16.7)

10/36(27.8)

27.7

2

12/50 (24.0)

6/12 (50)

4/12 (33.3)

6/12 (50)

9.2

3

28/104 (26.9)

16/28(57.1)

2/28 (7.1)

8/28 (28.6)

21.5

4

8/30 (26.7)

2/8 (25)

1/8 (12.5)

0/8 (0)

6.2

5

12/80 (15.0)

6/12 (50)

0/12 (0)

8/12 (66.7)

9.2

6

4/10 (40.0)

2/10 (20)

4/10 (40)

0/10 (0)

3.1

7

4/26 (15.4)

2/4 (50)

2/4 (50)

0/4 (0)

3.1

8

8/30 (26.7)

2/8 (25)

2/8 (25)

0/8 (0)

6.2

9

0/8 (0.0)

0/0 (0)

0/0 (0)

0/0 (0)

0

10

18/24 (75.0)

6/18 (33.3)

2/18 (11.1)

2/18 (11.1)

13.8