The differences produced by categorising deaths using MMDS and IRIS software, and the effect on statistics that use Wigglesworth codes, of using IRIS software.
Publications
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Impact of the implementation of IRIS software for ICD-10 cause of death coding on stillbirth and neonatal death statistics: England and Wales
Impact of the implementation of IRIS cause of death coding software on stillbirths and neonatal deaths
Data
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IRIS dual coding data
Data used for the IRIS dual coding study, with explanatory notes