Computerized adaptive test for patients with foot or ankle impairments produced valid and responsive measures of function.

Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation
Dennis L HartJerome E Mioduski

Abstract

We tested the item response theory (IRT) model assumptions of the original item bank, and evaluated the practical and psychometric adequacy, of a computerized adaptive test (CAT) for patients with foot or ankle impairments seeking rehabilitation in outpatient therapy clinics. Data from 10,287 patients with foot or ankle impairments receiving outpatient physical therapy were analyzed. We first examined the unidimensionality, fit, and invariance IRT assumptions of the CAT item bank. Then we evaluated the efficiency of the CAT administration and construct validity and sensitivity of change of the foot/ankle CAT measure of lower-extremity functional status (FS). Results supported unidimensionality, model fit, and invariance of item parameters and patient ability estimates. On average, the CAT used seven items to produce precise estimates of FS that adequately covered the content range with negligible floor and ceiling effects. Patients who were older, had more chronic symptoms, had more surgeries, had more comorbidities, and did not exercise prior to receiving rehabilitation reported worse discharge FS. Seventy-one percent of patients obtained statistically significant change at follow-up. Change of 8 FS units (scale 0-100) represe...Continue Reading

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Citations

Aug 5, 2009·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Dennis L HartYing-Chih Wang
Oct 26, 2010·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Morten Aa PetersenTeresa Young
Jun 8, 2011·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Dennis L HartDaniel Deutscher
Dec 12, 2012·Health and Quality of Life Outcomes·Julio Cabrero-GarcíaAbilio Reig-Ferrer
Apr 21, 2012·The Journal of Orthopaedic and Sports Physical Therapy·Dennis L HartYing-Chih Wang
Jun 10, 2011·The Journal of Orthopaedic and Sports Physical Therapy·Rogelio A CoronadoSteven Z George
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Sep 13, 2015·Journal of Clinical Epidemiology·Morten Aa PetersenUNKNOWN EORTC Quality of Life Group
Aug 8, 2012·Archives of Physical Medicine and Rehabilitation·Craig A VelozoSergio Romero
Aug 31, 2010·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Ying-Chih WangJerome E Mioduski
Aug 5, 2009·Archives of Physical Medicine and Rehabilitation·Ying-Chih WangJerome E Mioduski
Aug 5, 2009·Archives of Physical Medicine and Rehabilitation·Daniel DeutscherIlana Ariel
Jul 15, 2015·The Journal of Orthopaedic and Sports Physical Therapy·Ying-Chih WangJerome E Mioduski
Jan 13, 2015·The Journal of Orthopaedic and Sports Physical Therapy·John Schmitt, J Haxby Abbott
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Mar 4, 2021·Journal of Neurologic Physical Therapy : JNPT·George Fulk

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