The relative and absolute reliability of two balance performance measures in chronic stroke patients

Liaw, Lih-Jiun, Hsieh, Ching-Lin, Lo, Sing-Kai, Chen, Hui-Mei, Lee, Su and Lin, Jau-Hong 2008, The relative and absolute reliability of two balance performance measures in chronic stroke patients, Disability and rehabilitation, vol. 30, no. 9, pp. 656-661.


Title The relative and absolute reliability of two balance performance measures in chronic stroke patients
Author(s) Liaw, Lih-Jiun
Hsieh, Ching-Lin
Lo, Sing-Kai
Chen, Hui-Mei
Lee, Su
Lin, Jau-Hong
Journal name Disability and rehabilitation
Volume number 30
Issue number 9
Start page 656
End page 661
Publisher Informa Healthcare
Place of publication London, England
Publication date 2008
ISSN 0963-8288
1464-5165
Keyword(s) reliability
balance measures
stroke
Summary Purpose. To examine the relative reliability and absolute reliability of the Berg Balance Scale (BBS) and the Postural Assessment Scale for Stroke Patients (PASS) in chronic stroke patients. Method. A total of 52 mild to moderate stroke patients, who had a stroke more than 6 months previously, participated in the study. Both balance measures were administered twice, seven days apart, to the patients. A relative reliability index (intra-class correlation coefficient, ICC2,1) was used to examine the level of agreement between test and retest. Absolute reliability indices, including the Bland and Altman method, the standard error of measurement (SEM), and the smallest real differences (SRD), were used to define the extent to which a balance score varies on test-retest measurements. Results. Test-retest agreements were high (ICC2,1: BBS = 0.98; PASS = 0.97), indicating excellent agreement from a relative perspective. The SEM of the BBS and PASS, representing the smallest change threshold that indicates a real improvement for a group of individuals, were 2.4 and 1.1, respectively. The SRD of the BBS and PASS were 6.7 and 3.2, respectively, exhibiting the smallest change threshold that indicates a real improvement for a single individual. Conclusions. The test-retest agreements of the BBS and PASS were high in mild to moderate chronic stroke patients. The thresholds of both measures to detect real change are acceptable in research and clinical settings.
Language eng
Field of Research 111799 Public Health and Health Services not elsewhere classified
Socio Economic Objective 920203 Diagnostic Methods
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2008, Informa UK Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017972

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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