Diagnosis-based Injury Severity Scaling

A method using Australian and New Zealand hospital data coded to ICD-10-AM

Shaun Stephenson
John Langley
Injury Prevention Research Unit
University of Otago, NZ

Geoff Henley
James Harrison
Research Centre for Injury Studies
Flinders University, SA

2003
Australian Institute of Health and Welfare
Canberra
AIHW cat. no. INJCAT 59

This report provides an evaluation of the applicability of an ICD-based Injury Severity Scale (ICISS) to ICD-10 and ICD-10-AM using Australian and New Zealand hospital separations data. Use of ICD-10-AM resulted in better ICISS performance than was seen for ICD-10 although the difference was relatively small. ICISS also performed marginally better when applied to the Australian separations than the New Zealand separations.

In conclusion, ICISS is a reasonable method for estimating severity in databases using ICD-10 or ICD-10-AM and is likely to work well for other variants of ICD-10. This report will be relevant to those interested in measures of injury severity, particularly those involved in health and policy planning and injury researchers.

The report is available as a PDF document (~ 820 Kb).

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