| Evolution | p | OR | IC | |||
| Death | Healing | |||||
| Antecedent of Prematurity | Yes | 7 | 9 | 0.000 | 111 | 20.2 to 614.5 |
| No | 2 | 287 | ||||
| Related Pathologies | Yes | 8 | 194 | 0.02 | 8 | 0.9 to 64.5 |
| No | 1 | 194 | ||||
| Duration of hospitalization | ||||||
| <5 days | ≥5 jours | |||||
| Age | ≤6mois | 150 | 50 | 0.00 | 0.2 | 0.1-0.4 |
| >6 months | 97 | 24 | ||||