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Abstract
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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, Sheba Medical Center, Tel-Hashomer, Israel. PARTICIPANTS: 50 PwMS (32 women, 18 men), mean age 44.8 (SD=7.6) and mean disease duration of 13.8 (SD=8.5) years since diagnosis, were enrolled in the study. The median Expanded Disability Status Scale (EDSS) score was 4.5 indicating a mild-moderate neurological disability. INTERVENTIONS: Not applicable. ' MAIN OUTCOME MEASURES: Sitting-Rising Test (SRT), posturography measures, 10-repetion Sit-to-Stand test (10STS), Timed Up and Go test (TUG), hand grip strength, strength of hip flexion/extension/ abduction, knee flexion/extension, and Fall Status Questionnaire.
RESULTS: The intraclass correlation coefficient value for the intra-rater test-retest reproducibility (7-10 day interval between tests) of the SRT test, was 0.931 (95%CI, 0.796, 0.977). Strong correlations were found between the SRT, TUG (Rho=-0.709) and 10STS (Rho=-0.719) and moderate correlations were found between the SRT and postural control measures (Rho∼0.4). Moderate correlations were found between the SRT and the hip and knee strength (combined) of the weaker limb (Rho=0.344). No differences were found in the SRT score between fallers and non-fallers.
CONCLUSIONS: The current study supports the convergent validity and test-retest reproducibility of the SRT in PwMS.
Language: en |