Variable | Predicted individual mortality risk ⩾0.50 (n=25) | Predicted individual mortality risk <0.50 (n=25) | p Value |
---|---|---|---|
Male gender | 13 | 11 | NS |
Gestational age (completed weeks) | 26.3 (2.3) | 26.3 (2.3) | NS |
Birthweight (g) | 878 (318) | 876 (325) | NS |
Days intubated | 26.2 (17.7) | 24.1 (17.9) | NS |
Duration of antibiotic treatment (days) | 23.1 (10.9) | 21.4 (12.1) | NS |
Number of PRC transfusions | 8.2 (5.1) | 7.4 (4.9) | NS |
Bronchopulmonary dysplasia | 16 | 12 | NS |
IVH III/IV or PVL | 14 | 6 | 0.02 |
Diseases requiring surgical intervention | 16 | 8 | 0.02 |
PRC: packed red cells; IVH: intraventricular haemorrhage; PVL: periventricular leucomalacia *For normally distributed variables SD in parentheses.