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Ability to detect change in patient function: responsiveness designs and methods of calculation
Leigh A Lehman1, Craig A Velozo
1Department of Psychology, University of South Carolina Upstate, Spartanburg, SC, USA. LALehman@aol.com
Summary
Hand therapy assessments need further study to determine clinically important differences and minimal detectable change. This ensures patient improvement is accurately measured by reliable assessment tools.
Area of Science:
- Orthopedics
- Rehabilitation Science
- Clinical Measurement
Background:
- Patient improvement in hand clinics relies on assessments capable of detecting change (responsiveness).
- Standardized change indices, minimal detectable change (MDC), and clinically important difference (CID) are crucial for evaluating assessment responsiveness.
- Current research has established several responsiveness studies, but further investigation is needed.
Purpose of the Study:
- To introduce hand therapists to responsiveness designs and indices.
- To highlight the clinical application of responsiveness measures in hand therapy.
Main Methods:
- A narrative review methodology was employed.
- Relevant method papers and research studies focusing on responsiveness were selected and summarized.
Main Results:
- Several studies have effectively calculated standardized change indices for assessment responsiveness.
- There is an ongoing need to establish clinically meaningful values, including MDC and CID, for many hand clinic assessments.
Conclusions:
- Further research is required to determine the minimal detectable change (MDC) and clinically important difference (CID) for numerous assessments used in hand therapy.
- Calculating clinically meaningful values beyond standardized change indices is essential for accurate patient progress evaluation.
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