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EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE

A Journal on Physical Medicine and Rehabilitation after Pathological Events


Official Journal of the Italian Society of Physical and Rehabilitation Medicine (SIMFER), European Society of Physical and Rehabilitation Medicine (ESPRM), European Union of Medical Specialists - Physical and Rehabilitation Medicine Section (UEMS-PRM), Mediterranean Forum of Physical and Rehabilitation Medicine (MFPRM), Hellenic Society of Physical and Rehabilitation Medicine (EEFIAP)
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European Journal of Physical and Rehabilitation Medicine 2017 October;53(5):710-8

DOI: 10.23736/S1973-9087.17.04454-9

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English

Test-retest reliability and responsiveness of the Barthel Index-based Supplementary Scales in patients with stroke

Ya-Chen LEE 1, Wan-Hui YU 2, I-Ping HSUEH 2, 3 , Sheng-Shiung CHEN 4, Ching-Lin HSIEH 2, 3

1 Department of Occupational Therapy, College of Medical and Health Science, Asia University, Taipei, Taiwan; 2 Department of Physical Medicine and Rehabilitation, National Taiwan University, Taipei, Taiwan; 3 School of Occupational Therapy, College of Medicine, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei, Taiwan; 4 Department of Physical Medicine and Rehabilitation, E-Da Hospital/I-Shou University, Kaohsiung, Taiwan


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BACKGROUND: A lack of evidence on the test-retest reliability and responsiveness limits the utility of the BI-based Supplementary Scales (BI-SS) in both clinical and research settings.
AIM: To examine the test-retest reliability and responsiveness of the BI-based Supplementary Scales (BI-SS) in patients with stroke.
DESIGN: A repeated-assessments design (1 week apart) was used to examine the test-retest reliability of the BI-SS. For the responsiveness study, the participants were assessed with the BI-SS and BI (treated as an external criterion) at admission to and discharge from rehabilitation wards.
SETTING: Seven outpatient rehabilitation units and one inpatient rehabilitation unit.
POPULATION: Outpatients with chronic stroke.
METHODS: Eighty-four outpatients with chronic stroke participated in the test-retest reliability study. Fifty-seven inpatients completed baseline and follow-up assessments in the responsiveness study.
RESULTS: For the test-retest reliability study, the values of the intra-class correlation coefficient and the overall percentage of minimal detectable change for the Ability Scale and Self-perceived Difficulty Scale were 0.97, 12.8%, and 0.78, 35.8%, respectively. For the responsiveness study, the standardized effect size and standardized response mean (representing internal responsiveness) of the Ability Scale and Self-perceived Difficulty Scale were 1.17 and 1.56, and 0.78 and 0.89, respectively. Regarding external responsiveness, the change in score of the Ability Scale had significant and moderate association with that of the BI (r=0.61, P<0.001). The change in score of the Self-perceived Difficulty Scale had non-significant and weak association with that of the BI (r=0.23, P=0.080).
CONCLUSIONS: The Ability Scale of the BI-SS has satisfactory test-retest reliability and sufficient responsiveness for patients with stroke. However, the Self-perceived Difficulty Scale of the BI-SS has substantial random measurement error and insufficient external responsiveness, which may affect its utility in clinical settings.
CLINICAL REHABILITATION IMPACT: The findings of this study provide empirical evidence of psychometric properties of the BI-SS for assessing ability and self-perceived difficulty of ADL in patients with stroke.


KEY WORDS: Reproducibility of results - Activities of daily living - Stroke

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Publication History

Issue published online: October 31, 2017
Article first published online: February 8, 2017
Manuscript accepted: February 2, 2017
Manuscript revised: December 23, 2016
Manuscript received: August 8, 2016

Cite this article as

Lee YC, Yu WH, Hsueh IP, Chen SS, Hsieh CL. Test-retest reliability and responsiveness of the Barthel Index-based Supplementary Scales in patients with stroke. Eur J Phys Rehabil Med 2017;53:710-8. DOI: 10.23736/S1973-9087.17.04454-9

Corresponding author e-mail

iping@ntu.edu.tw