Is the long form of the fugl-meyer motor scale more responsive than the short form in patients with stroke?

Kuan Lin Chen, Cheng Te Chen, Yei Tai Chou, Ching Lin Shih, Chia Lin Koh, Ching Lin Hsieh

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Objective To compare the responsiveness of the Rasch-calibrated 37-item Fugl-Meyer motor Scale with that of the 12-item Fugl-Meyer motor scale at both an individual and a group level. Design Repeated-measurements design. Setting Medical center. Participants Patients (N=301) 14 days after stroke. Interventions Not applicable. Main Outcome Measures 50-item Fugl-Meyer motor scale, 37-item Fugl-Meyer motor scale, and 12-item Fugl-Meyer motor scale. Results The patients were assessed with the original 50-item Fugl-Meyer motor scale 4 times, at 14, 30, 90, and 180 days after stroke onset. The patients' responses were used for estimating the Rasch scores of the 37-item Fugl-Meyer motor scale and 12-item Fugl-Meyer motor scale. The effect size, standardized response mean, and paired t test were used to compare the group-based responsiveness of the 3 forms (50-item Fugl-Meyer motor scale, 37-item Fugl-Meyer motor scale, 12-item Fugl-Meyer motor scale). Individual-level responsiveness was compared based on the significance of change between the 37-item Fugl-Meyer motor scale and 12-item Fugl-Meyer motor scale. Because up to 13 items of the 50-item Fugl-Meyer motor scale did not meet the Rasch model's assumptions, the significance of change of the 50-item Fugl-Meyer motor scale was not calculated. At the group level, the FM-37 and FM-12 Fugl-Meyer motor scale had sufficient and similar responsiveness. At the individual level, the FM-37 Fugl-Meyer motor scale detected more patients with significant improvement than the FM-12 Fugl-Meyer motor scale. The SC values and category distribution of the FM-37 Fugl-Meyer motor scale were significantly better than those of the FM-12 Fugl-Meyer motor scale (P<.001). Conclusions Although the group-level responsiveness of the 12-item Fugl-Meyer motor scale was sufficient and very similar to that of the 37-item Fugl-Meyer motor scale, the 37-item Fugl-Meyer motor scale had better individual-level responsiveness. The 37-item Fugl-Meyer motor scale is suggested as an outcome measure for both clinicians and researchers.

Original languageEnglish
Pages (from-to)941-949
Number of pages9
JournalArchives of Physical Medicine and Rehabilitation
Volume95
Issue number5
DOIs
Publication statusPublished - 2014 May

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

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