Actual and expected (calculated from CRIB) mortality for infants ⩽ 32 weeks not involved in any trnasfer; involved in any form of transfer (neonatal flying squad, in utero or non-urgent; transferred as an emergency after delivery (neonatal flying squad); transferred in utero for neonatal care in another hospital
| Type of infant | No of infants ⩽32 weeks gestation | Mortality of infants ⩽32 weeks (%) | Predicted (CRIB) mortality of infants ⩽32 weeks (%) | 95% CI for estimate of expected mortality |
|---|---|---|---|---|
| Non-tranfers | 1784 | 256 (14.3) | 252 (14.1) | 230.1-275.5 |
| Transfer (all types) | 754 | 137 (18.2) | 141 (18.7) | 129-153.7 |
| Flying squad transfers | 235 | 57 (24.3) | 60.2 (25.9) | 51.5-69.6 |
| In utero transfers | 353 | 68 (19.2) | 64.8 (18.2) | 54.8-76.2 |