| Risk factors | Evolution | p | ||
| Survival | death | |||
| Sex | Male | 48 (40.2%) | 70 (59.8%) | 0.777 |
| Feminine | 35 (42.6%) | 47 (57.4%) | ||
| origin | Inborn | 34 (31.7%) | 73 (68.2%) | 0.003 |
| Outborn | 49 (52.7%) | 44 (47.3%) | ||
| Maternal age | ≤35 ans | 76 (40.4%) | 112 (59.6%) | 0.283 |
| Sup à 35 ans | 7 (58.3%) | 5 (41.7%) | ||
| Asphyxia | Yes | 13 (44.8%) | 16 (55.2%) | 0.966 |
| No | 22 (52.4%) | 20 (47.6%) | ||
| Parity | Primiparous | 31 (39.7%) | 47 (60.2%) | 0.687 |
| Pauciparous | 23 (40.3%) | 34 (59.6%) | ||
| Multiparous | 29 (44.6%) | 36 (55.3%) | ||
| Terme | Yes | 56 (53.8%) | 48 (46.2%) | 0.000226 |
| No | 27 (28%) | 69 (72%) | ||
| Birth weight | <2500 g | 36 (50.4%) | 75 (49.6%) | 0.000056 |
| ˃2500 g | 43 (63.2%) | 25 (36.8%) | ||
| Time to onset | 0 à 7 days | 38 | 82 | 0.001 |
| 7 - 28 days | 45 | 35 | ||
| Respiratory distress | Yes | 51 | 93 | 0.005 |
| No | 32 | 24 | ||