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Validating the functional capacity index : a comparison of predicted versus observed total body scores

Schluter, Philip J. , Neale, Rachel E. , Scott, Debbie, Luchter, Stephen , & McClure, Roderick J. (2005) Validating the functional capacity index : a comparison of predicted versus observed total body scores. Journal of Trauma, Injury, Infection and Critical Care, 58(2), pp. 259-263.

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Abstract

Background: The Functional Capacity Index (FCI) was designed to predict physical function 12 months after injury. We report a validation study of the FCI.

Methods: This was a consecutive case series registered in the Queensland Trauma Registry who consented to the prospective 12-month telephone-administered follow-up study. FCI scores measured at 12 months were compared with those originally predicted.

Results: Complete Abbreviated Injury Scale score information was available for 617 individuals, of whom 587 (95%) could be assigned at least one FCI score (range, 1-17). Agreement between the largest predicted FCI and observed FCI score was poor ([kappa] = 0.05; 95% confidence interval, 0.00-0.10) and explained only 1% of the variability in observed FCI. Using an encompassing model that included all FCI assignments, agreement remained poor ([kappa] = 0.05; 95% confidence interval, -0.02-0.12), and the model explained only 9% of the variability in observed FCI.

Conclusion: The predicted functional capacity poorly agrees with actual functional outcomes. Further research should consider including other (noninjury) explanatory factors in predicting FCI at 12 months.

Impact and interest:

12 citations in Scopus
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9 citations in Web of Science®

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ID Code: 32909
Item Type: Journal Article
Additional URLs:
Keywords: Functional Capacity Index, epidemiology, injury, burden of injury
ISSN: 0022-5282
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Public Health and Health Services not elsewhere classified (111799)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Research Centres > National Centre for Health Information Research & Training
Current > Schools > School of Public Health & Social Work
Copyright Owner: Copyright 2005 Lippincott Williams & Wilkins
Deposited On: 24 Jun 2010 09:15
Last Modified: 29 Feb 2012 23:20

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