Table 3

Rates of hospital readmission or death among infants discharged home, up to their first birthday, for conditions and procedures indicative of neonatal morbidity

E-NAOI componentAny hospital readmission in first year (%)Overnight hospital readmission in first year (%)Death in first year (%)
All infants not identified by E-NAOI (n=457 939)
All infants identified by E-NAOI (n=26 068)36.8015.690.81
Term infants not identified by E-NAOI (n=436 477)22.656.790.05
Term infants identified by E-NAOI (n=13 978)30.1711.590.92
Individual E-NAOI components*
 Birth weight <1500 g55.4128.300.87
 Gestational age <32 weeks54.5427.220.78
 Respiratory distress syndrome42.0118.140.56
 Intraventricular haemorrhage (grades 3 and 4)65.2230.431.45
 Cerebral infarction46.9712.12N/A
 Periventricular leukomalacia64.9128.07N/A
 Birth trauma (intracranial haemorrhage paralysis due to brachial plexus injury, skull or long bone fracture)29.6211.41N/A
 Hypoxic ischaemic encephalopathy38.6314.511.60
 Necrotising enterocolitis66.8639.211.54
 Sepsis/septicaemia (Streptococcus, Staphylococcus, Escherichia coli, unspecified Gram negative)45.8222.811.02
 Other respiratory (primary atelectasis and respiratory failure)42.4118.150.74
 Chronic respiratory disease originating in the perinatal period68.1438.341.89
 Bacterial meningitis36.8015.240.74
 Ventilatory support (mechanical ventilation and/or CPAP)38.6316.790.57
 Central venous or arterial catheter51.7426.141.27
 Pneumothorax requiring intercostal catheter39.6717.700.61
 Any intravenous fluids26.6610.460.17
 Any body cavity surgical procedure63.4840.141.63
 Therapeutic hypothermia36.4013.701.50
  • * See online supplementary table S1 for overall incidence.

  • CPAP, continuous positive airway pressure; E-NAOI, English-version neonatal adverse outcome indicator.