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WITHIN-ASSESSMENT VARIABILITY OF THE GAITRITE SYSTEM IN PEOPLE WITH STROKE

Scully, Aileen, BSc(Hons)*; Tan, Dawn, ClinDoc

American Journal of Physical Medicine & Rehabilitation: December 28, 2018 - Volume Publish Ahead of Print - Issue - p
doi: 10.1097/PHM.0000000000001123
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Objectives The GAITRite® is a validated tool for measuring gait. However, no information is available regarding the number of trials required. This study investigates the within-assessment variability of the GAITRite® to establish the recommended number of trials.

Design People with stroke undergoing inpatient rehabilitation were assessed on the GAITRite®. Data of individuals admitted from January 2014 to January 2015 were extracted. Five trials were performed. A repeated measures analysis of variance (ANOVA) was used to investigate within-subject differences across the trials. Group means of each variable were plotted against trials. Significance was set at 0.05.

Results 36 people with stroke (mean age = 59.6±13.3 years, 61.1% male) were assessed. Significant differences across trials were found for gait speed (p < 0.01), step length on the paretic (p < 0.01) and non-paretic sides (p < 0.01), stance phase time on the non-paretic side (p < 0.01), and single limb support time of the paretic side (p = 0.02). The differences were found between the first two trials and the other trials.

Conclusion Depending on the gait variable of interest, the use of two warm-up trials and taking the average of two assessment trials could reduce the within-assessment variability of this instrument in people with stroke.

Department of Physiotherapy, Singapore General Hospital, Singapore 169608, Singapore

* Address: Department of Physiotherapy, Singapore General Hospital, Singapore 169608, Singapore. Tel.: +65 63214132; fax: +65 63213918. E-mail address: scully.aileen.eugenia@sgh.com.sg

Author Disclosures: None. No funding was received.

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