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Related Experiment Video

Updated: Jun 9, 2026

Computerized Adaptive Testing System of Functional Assessment of Stroke
05:21

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Translating shoulder computerized adaptive testing generated outcome measures into clinical practice.

Ying-Chih Wang1, Dennis L Hart, Karon F Cook

  • 1Focus On Therapeutic Outcomes, Inc., Knoxville, TN, USA. inga-wang@northwestern.edu

Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists
|August 31, 2010
PubMed
Summary
This summary is machine-generated.

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Computerized adaptive tests (CATs) provide valuable shoulder functional status (FS) scores. This study offers methods to interpret these scores, aiding clinicians in understanding patient progress and improving rehabilitation outcomes.

Area of Science:

  • Rehabilitation Medicine
  • Biostatistics
  • Health Outcomes Research

Background:

  • Computerized adaptive tests (CATs) are increasingly used in rehabilitation to measure patient outcomes.
  • Interpreting the scores generated by CATs for shoulder functional status (FS) presents challenges for clinicians.

Purpose of the Study:

  • To establish meaningful interpretations for patient-reported shoulder functional status (FS) scores derived from a shoulder CAT.
  • To enhance the clinical utility of CAT-generated outcome measures in rehabilitation settings.

Main Methods:

  • A prospective longitudinal cohort study analyzed data from 30,987 patients with shoulder impairments.
  • Four interpretation approaches were used: standard error of estimates for confidence intervals, percentile ranks (PR), minimal detectable change (MDC) for reliable change, and a functional staging model (Shoulder Function Classification System - SFCS).

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Last Updated: Jun 9, 2026

Computerized Adaptive Testing System of Functional Assessment of Stroke
05:21

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Main Results:

  • A single score's precision was ±4 FS units. PRs indicated shifts from lower to higher scores at discharge.
  • An 11-unit increase in FS scores signified statistically reliable change (MDC). An 8-unit increase suggested minimal clinically important improvement.
  • The five-level SFCS provided a logical framework for interpreting patient progress.

Conclusions:

  • The findings facilitate better clinical interpretation of CAT-generated outcome measures.
  • These results support clinicians in utilizing patient-reported outcomes for improved clinical practice and patient care.