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Mortality risk factors in each group studied. MV (mechanical ventilation).
| Group 1 |
Group 2 |
Group 3 | P | |
|---|---|---|---|---|
| SNAP II (n = 290) (median) | 10 |
5 |
6 |
<0.05 |
| SNAPPE II (n = 232) (median) | 13 |
7 | 8 | <0.05 |
| Prior hospitalization (%) | 57 | 73 | 33 | <0.05 |
| Congenital malformations (%) | 30 | 24 | 26 | NS |
| Surgery (%) | 29 |
19,5 | 21 |
NS |
| Perinatal asphyxia (%) | 20 |
10 | 2 | <0.05 |
| Nosocomial infection (%) | 33 | 19,5 | 21 | NS |
| MV (%) | 60 | 37 | 40 | NS |
