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Psychometric Comparisons of 2 Versions of the Fugl-Meyer Motor Scale and 2 Versions of the Stroke Rehabilitation Assessment of Movement

¹ School of Occupational Therapy, and Department of Physical Medicine and Rehabilitation, College of Medicine, National Taiwan University
² Faculty of Physical Therapy, College of Health Science, Kaohsiung Medical University and Department of Rehabilitation, Kaohsiung Medical Univ Hospital, Taiwan
³ Department of Psychology, National Chung Cheng University, Taiwan
⁴ Department of Rehabilitation, Kaohsiung Medical University Hospital, Taiwan

^* To whom correspondence should be addressed. E-mail: jhlin{at}kmu.edu.tw.

	Abstract

Objective. To provide empirical justification for selecting motor scales for stroke patients, the authors compared the psychometric properties (validity, responsiveness, test-retest reliability, and smallest real difference [SRD]) of the Fugl-Meyer Motor Scale (FM), the simplified FM (S-FM), the Stroke Rehabilitation Assessment of Movement instrument (STREAM), and the simplified STREAM (S-STREAM). Methods. For the validity and responsiveness study, 50 inpatients were assessed with the FM and the STREAM at admission and discharge to a rehabilitation department. The scores of the S-FM and the S-STREAM were retrieved from their corresponding scales. For the test-retest reliability study, a therapist administered both scales on a different sample of 60 chronic patients on 2 occasions. Results. Only the SSTREAM had no notable floor or ceiling effects at admission and discharge. The 4 motor scales had good concurrent validity (rho .91) and satisfactory predictive validity (rho = .72-.77). The scales showed responsiveness (effect size d 0.34; standardized response mean 0.95; P < .0001), with the S-STREAM most responsive. The test-retest agreements of the scales were excellent (intraclass correlation coefficients .96). The SRD of the 4 scales was 10% of their corresponding highest score, indicating acceptable level of measurement error. The upper extremity and the lower extremity subscales of the 4 showed similar results. Conclusions. The 4 motor scales showed acceptable levels of reliability, validity, and responsiveness in stroke patients. The S-STREAM is recommended because it is short, responsive to change, and able to discriminate patients with severe or mild stroke.

First published on July 21, 2008, doi:10.1177/1545968308315999

Neurorehabilitation and Neural Repair 2008;22:737.

A more recent version of this article appeared on November 1, 2008


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