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Hypoxic ischaemic encephalopathy: accuracy of the reported incidence
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With national reporting and benchmarking of perinatal outcomes, it is essential that the criteria used to detect cases of hypoxic ischaemic encephalopathy (HIE) are robust.
The Neonatal Survey (TNS) is a validated survey collecting neonatal outcome data. Neonatal encephalopathy (NE) is used as a proxy measure of HIE; grade 2 NE cases require anticonvulsant therapy, grade 3 NE requiring either ventilation and anticonvulsant therapy (grade 3a) or ventilation following birth depression (grade 3b). Previous audits of the criteria suggest a false-positive rate of 10%.1
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Footnotes
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Competing interests None.
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Provenance and peer review Not commissioned; externally peer reviewed.