Groenendaal et al Results
| Mortality† (%) | CLD 28 days (%) | CLD 36 weeks (%) | Perforated NEC (%) | IVH III (%) | IVH IV (%) | cPVL (%) | |
|---|---|---|---|---|---|---|---|
| 1991–6 | 14.8 | 42.1 | NR | NR | 4.9 | 4.3 | 4.6 |
| 1997–2001 | 15.8 | 36.9 | 14.1 | 2.5 | 3.5 | 3.1 | 3.7 |
| 2002–6 | 10.7 | 38.8 | 14.9 | 1.6 | 5.6 | 5.6 | 1.6* |
*p<0.05. †Excluding severe congenital malformations. CLD, chronic lung disease; cPVL, cystic periventricular leucomalacia; IVH, intraventricular haemorrhage; NEC, necrotising enterocolitis; NR, not recorded as a separate entity.