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)23.167.090.05
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
 Seizure47.6019.802.33
 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
 Pneumonia39.4417.401.00
 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
 Resuscitation41.8419.731.01
 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.