The intra-rater reliability of the Balance Performance Monitor when measuring sitting symmetry and weight-shift activity after stroke in a community setting

Sackley, Cath M., Hill, Helen J., Pound, Kate and Foxall, Andy (2005) The intra-rater reliability of the Balance Performance Monitor when measuring sitting symmetry and weight-shift activity after stroke in a community setting. Clinical Rehabilitation, 19 (7). pp. 746-750. ISSN 0269-2155

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Abstract

Objective: To examine the intra-rater reliability of sitting symmetry and weight-shift activity measurements in poststroke adults. Design: An intra-rater reliability study. Setting: A community setting. Subjects: Adult stroke survivors attending stroke support groups within the community of Nottingham (UK). Main measures: The Balance Performance Monitor used to measure sitting symmetry and weight-shift activity. Intraclass correlation coefficients (ICCs) and their 95% confidence intervals (95% CI) were calculated. The Bland-Altman method for assessing agreement is also presented. Results: We tested 49 participants (median age 73 years; interquartile range 68-81 years). Between-test reliability for sitting symmetry was high: ICC (1,1) = 0.93 (95% CI 0.87 ≤ ICC5 ≤ 0.96). The mean difference between the measures (d̄) was-0.08 (95% CI-0.48 ≤ d̄ ≤ 0.31); the standard deviation of the differences (SDdiff) was 1.383. The coefficient of repeatability was 2.76; the 95% limits of agreement were -2.850 and 2.682. Between-test reliability for weight-shift activity was also high: ICC (1,1) = 0.86 (95% CI 0.775 ≤; ICC5 ≤; 0.92). Bland-Altman d̄= - 0.08 (95%CI-0.19 ≤ d̄ ≤ 0.35), SDdiff = 0.936. The coefficient of repeatability was 1.87; the 95% limits of agreement were-1.792 and 1.952. Conclusions: The 95% CI for d for both parameters crossed zero, indicating that between-test bias is unlikely. Sitting symmetry and weight-shift activity measures demonstrated acceptable levels of reliability.

Item Type:	Article
Uncontrolled Keywords:	postural balance,reproducibility of results,aged, 80 and over,humans,stroke,disability evaluation,aged,posture,male,female
Faculty \ School:	Faculty of Medicine and Health Sciences > School of Rehabilitation Sciences (former - to 2014)
UEA Research Groups:	Faculty of Medicine and Health Sciences > Research Groups > Rehabilitation
Depositing User:	Pure Connector
Date Deposited:	15 Oct 2013 05:30
Last Modified:	18 Jun 2024 13:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/43683
DOI:	10.1191/0269215505cr863oa

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