These problems can impair function and activities of daily livings. Previous studies have reported an increased postural sway, asymmetrical weight distribution, reduced stance capability, and impaired weight shifting ability in individuals with stroke. A balance disorder is the commonest cause of disability in patients with stroke. The prevalence of stroke in Saudi Arabia is relatively low compared to the Western and Asian countries. Stroke is the common cerebrovascular disease with a high mortality rate and persistent disability in adults worldwide. However, the small sample size of this study limits the validity of the results. The DGI demonstrated slightly better responsiveness than TUG and BBS. The test-retest reliability of the TUG, BBS, and DGI was excellent. There was a significant correlation found between the DGI and BBS (first reading = 0.75 second reading = 0.77), TUG and BBS (first reading = −.52 second reading = −.53), and the TUG and DGI (first reading = 0.45 second reading = 0.48), respectively. The minimal detectable change (MDC) of the TUG, DGI, and BBS were 3.2, 1.9, and 2.7, respectively. The standard error of measurement (SEM) of the TUG, DGI, and BBS were 1.16, 0.71, and 0.98, respectively. The reliability of the TUG (intraclass correlation coefficient = 0.98), DGI (ICC 2,1 = 0.98) and BBS (ICC 2,1 = 0.99) were excellent.
In addition, the third assessment of each scale was taken at the time of discharge to determine the responsiveness of the three outcome measures. A senior physical therapist assessed the test-retest reliability and validity of three scales, including the DGI, TUG, and BBS over two testing sessions.
Methodsįifty-six patients (39 male and 17 female) with chronic stroke participated in this study. The purpose of the present study was to examine test-retest reliability, construct validity, and responsiveness of the Timed Up and Go Test (TUG), Berg Balance Scale (BBS), and Dynamic Gait Index (DGI) for measuring balance in patients with chronic stroke. Various outcome measures are used for the assessment of balance and mobility in patients with stroke.
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