Validating the Functional Capacity Index: A Comparison of Predicted versus Observed Total Body Scores

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Title Validating the Functional Capacity Index: A Comparison of Predicted versus Observed Total Body Scores
Author Schluter, Philip J.; Neale, Rachel; Scott, Deborah; Luchter, Stephen; McClure, Roderick John
Journal Name The Journal of TRAUMA Injury, Infection and Critical Care
Year Published 2005
Place of publication Philadelphia USA
Publisher Lippincott Williams & Wilkins
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 (κ = 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 (κ = 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.
Peer Reviewed Yes
Published Yes
Publisher URI http://journals.lww.com/jtrauma/pages/default.aspx
Alternative URI http://dx.doi.org/10.1097/01.TA.0000154283.88208.9C
Volume 58
Issue Number 2
Page from 259
Page to 263
ISSN 1079-6061
Date Accessioned 2006-07-03
Date Available 2009-12-22T03:06:49Z
Language en_AU
Faculty Griffith Health Faculty
Subject PRE2009-Epidemiology
URI http://hdl.handle.net/10072/27904
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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