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Sources of coding discrepancies in injury morbidity data: Implications for injury surveillance

McKenzie, Kirsten & McClure, Roderick J. (2010) Sources of coding discrepancies in injury morbidity data: Implications for injury surveillance. International Journal of Injury Control and Safety Promotion, 17(1), pp. 53-60.

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Abstract

Objective: To examine the sources of coding discrepancy for injury morbidity data and explore the implications of these sources for injury surveillance.-------- Method: An on-site medical record review and recoding study was conducted for 4373 injury-related hospital admissions across Australia. Codes from the original dataset were compared to the recoded data to explore the reliability of coded data aand sources of discrepancy.---------- Results: The most common reason for differences in coding overall was assigning the case to a different external cause category with 8.5% assigned to a different category. Differences in the specificity of codes assigned within a category accounted for 7.8% of coder difference. Differences in intent assignment accounted for 3.7% of the differences in code assignment.---------- Conclusions: In the situation where 8 percent of cases are misclassified by major category, the setting of injury targets on the basis of extent of burden is a somewhat blunt instrument Monitoring the effect of prevention programs aimed at reducing risk factors is not possible in datasets with this level of misclassification error in injury cause subcategories. Future research is needed to build the evidence base around the quality and utility of the ICD classification system and application of use of this for injury surveillance in the hospital environment.

Impact and interest:

4 citations in Scopus
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4 citations in Web of Science®

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ID Code: 31671
Item Type: Journal Article
Keywords: External Cause, Coding, ICD-10-AM, Data Quality
DOI: 10.1080/17457300903308324
ISSN: 1745-7300
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Health Information Systems (incl. Surveillance) (111711)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Public Health & Social Work
Copyright Owner: Copyright 2010 Taylor & Francis
Deposited On: 15 Apr 2010 11:27
Last Modified: 10 Apr 2013 10:05

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