Highlights
- •This is the first study to assess the psychometric properties of the sitting-rising test (SRT) in people with multiple sclerosis.
- •The SRT test-retest reproducibility was proved to be excellent.
- •Strong correlations exist between the SRT, functional mobility, and strength.
- •Moderate correlations were found between the SRT and postural control measures.
- •The SRT score did not differentiate between fallers and nonfallers with multiple sclerosis.
Abstract
Objective
To evaluate the test-retest reproducibility and convergent validity of the sitting-rising
test (SRT) in people with multiple sclerosis (PwMS).
Design
Observational study comprising a test-retest design.
Setting
Multiple Sclerosis Center, Rehabilitation Hospital at Sheba Medical Center, Tel-Hashomer,
Israel.
Participants
A total of 50 PwMS (32 women, 18 men, N=50), mean age 44.8±7.6 years and mean disease
duration of 13.8±8.5 years since diagnosis, were enrolled in the study. The median
Expanded Disability Status Scale score was 4.5, indicating a mild-moderate neurologic
disability.
Interventions
Not applicable.
Main Outcome Measures
SRT, posturography measures, 10-repetion sit-to-stand test (10STS), timed Up and Go
(TUG) test, hand grip strength, strength of hip flexion/extension/abduction, knee
flexion/extension, and Fall Status Questionnaire.
Results
The intraclass correlation coefficient value for the intrarater test-retest reproducibility
(7- to 10-day interval between tests) of the SRT test, was 0.931 (95% confidence interval,
0.796-0.977). Strong correlations were found between the SRT, TUG test (ρ=−0.709),
and 10STS (ρ=−0.719), and moderate correlations were found between the SRT and postural
control measures (ρ∼0.4). Moderate correlations were found between the SRT and the
hip and knee strength (combined) of the weaker limb (ρ=0.344). No differences were
found in the SRT score between fallers and nonfallers.
Conclusions
The current study supports the convergent validity and test-retest reproducibility
of the SRT in PwMS.
Keywords
List of abbreviations:
COP (center of pressure), EDSS (Expanded Disability Status Scale), ICC (intraclass correlation coefficient), MDC (minimal detectable change), MS (multiple sclerosis), PwMS (people with multiple sclerosis), SRT (sitting-rising test), 10STS (10-repetition sit-to-stand test), TUG (timed Up and Go)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: February 10, 2021
Footnotes
Disclosures: none.
Identification
Copyright
© 2021 by the American Congress of Rehabilitation Medicine
