All infants <=30 weeks gestation admitted in study period
| Total infants <=30 weeks gestation | 172 |
|---|---|
| Included in study | 75 |
| Cultures and PCR | 60 |
| Not included: | |
| Not ventilated | 50 |
| Refused permission | 1 |
| Congenital abnormalities | 4 |
| Very ill, died <48 h | 13 |
| Missed (not randomised before surfactant given) | 29 |
| Died | 5 |
| Culture positive | 5 |