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 |