Reliability, Validity, Responsiveness, and Minimum Important Change of the Stair Climb Test in Adults With Hip and Knee Osteoarthritis
Authors' conclusion
The 6-step timed SCT adequately assesses the construct of physical function in individuals with hip or knee osteoarthritis with excellent 12-week test-retest reliability.
Study context
- Population
- Adults with hip or knee OA from 4 clinical trials (54% women)86% retained at 12 weeks
- Participants
- 397 adults
- Outcome
- Reliability, validity, responsiveness, measurement error and MIC of the 6-step timed Stair Climb Test (SCT)
- Follow-up
- 12 weeks
Methodological detailspooled data from 4 clinical trials, anchor-based and distribution-based approaches
- Pooled data from 4 clinical trials
- Anchor-based and distribution-based approaches
Main finding
As reported in the abstract
Measurement properties of the 6-step timed SCT
Construct validity: hypotheses met
Five of 6
83%
Standard error of measurement (SEM) (seconds)
0.44
Smallest detectable change (SDC) (seconds)
1.21
Minimum important change (MIC) range (seconds), median 1.37
0.78 to 1.95
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Reliability, Validity, Responsiveness, and Minimum Important Change of the Stair Climb Test in Adults With Hip and Knee Osteoarthritis. Arthritis Care Res (Hoboken). Published 24 November 2022. doi:10.
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