Actual and expected (calculated from CRIB) mortality for infants ⩽ 28 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 ⩽28 weeks gestation | Mortality of infants ⩽28 weeks (%) | Predicted (CRIB) mortality of infants ⩽28 weeks (%) | 95% CI for estimate of expected mortality |
|---|---|---|---|---|
| Non-tranfers | 455 | 203 (44.6) | 190.9 (42.0) | 174.3-207.8 |
| Transfer (all types) | 318 | 113 (35.5) | 125.1 (39.3) | 113.2-137.2 |
| Flying squad transfers | 113 | 47 (41.6) | 49.1 (43.5) | 41.4-56.9 |
| In utero transfers | 139 | 59 (42.4) | 56.9 (40.9) | 47.6-66.5 |