The ability of timed-up and go test and five times sit-to-stand test to screen risk of fall in well-functioning elderly
Keywords:
Cut-off score, Balance ability, Leg muscle strength, Risk of fall, Healthy elderlyAbstract
Aging process can naturally affect the restriction of physical function, which result in an increased risk of fall even though in well-functioning elderly. Therefore, an early detect of functional ability in those with risk of fall should be concerned. Evidence supported that the timed-up and go test (TUG) and five times sit-to-stand test (FTSST) are commonly used to assess balance impairment and leg muscle weakness, which were common risk factors of fall. However, there were no any studies reported the cut-off scores of the TUG and FTSST for determining risk of fall in well-functioning elderly. Thus, this study aimed to identify the cut-off scores of the TUG and FTSST for determining risk of fall in these individuals, which were classified into the age of 65-74 years and 75 years and older. They were screened their risk of fall using the tandem stand test and history of fall within the past 6 months, then they were investigated the TUG and FTSST. The findings reported the cut-off scores of the TUG as more than 9.50 seconds (70.21% sensitivity, 56.99% specificity) and 10.50 seconds (81.82% sensitivity, 66.67% specificity); additionally, the cut-off scores of FTSST more than 11.50 seconds (73.91% sensitivity, 62.64% specificity) and 12.10 seconds (61.54% sensitivity, 50.00% specificity) represented risk of fall in elderly, who aged 65-74 years and 75 years and older, respectively. The findings suggested the suitable cut-off scores of the TUG and FTSST as screening criteria to early detect risk of fall in well-functional elderly.
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