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Arch Phys Med Rehabil. 2010 Jun;91(6):890-6. doi: 10.1016/j.apmr.2010.02.010.

Validity of the Community Balance and Mobility Scale in community-dwelling persons after stroke.

Author information

1
Graduate Program in Health and Rehabilitation Sciences, University of Western Ontario, London, ON, Canada.

Abstract

OBJECTIVES:

To examine the convergent validity, sensitivity to change, floor and ceiling effects of the Community Balance and Mobility Scale (CB&M) in community-dwelling stroke survivors. The secondary objective was to determine the correlations between the CB&M and lower-limb motor recovery and strength.

DESIGN:

Validity study.

SETTING:

Two university-based research centers.

PARTICIPANTS:

Community-dwelling persons after stroke (N=44; 24 men, 20 women; mean age, 62.6+/-12.6y). Baseline measures were taken 3 months after the onset of stroke (98.6+/-52.6d); participants were reassessed 8 months poststroke (246.8+/-57.2d).

INTERVENTIONS:

Not applicable.

MAIN OUTCOME MEASURES:

CB&M, Berg Balance Scale (BBS), Timed Up & Go (TUG), Chedoke McMaster Stroke Assessment (CMSA) Impairment Inventory for leg and foot, concentric bilateral isokinetic strength of the lower-limb flexor and extensor muscle groups using a dynamometer. The magnitude of the associations and the standardized response means (SRMs) among the CB&M, BBS, and TUG were used to examine the convergent validity and sensitivity to change, respectively.

RESULTS:

Moderate to high convergent validities (rho=.70 to .83, P<.001) were observed among the CB&M, BBS, and TUG. The CB&M was moderately correlated with the CMSA leg and foot scores (rho=.61 and .63, respectively, P<.001) and the paretic limb strength (rho=.67, P<.001). The CB&M demonstrated the greatest ability to detect change between the baseline and follow-up assessments (SRM=.83).

CONCLUSIONS:

The CB&M is valid and sensitive to change in assessing functional balance and mobility in ambulatory stroke survivors with moderate to mild neurologic impairments.

PMID:
20510980
DOI:
10.1016/j.apmr.2010.02.010
[Indexed for MEDLINE]

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