In vestibular patients, good correlations have been found between the TUG and the Four-Square Step Test, or FSST ( r = 0.69 p < 0.01) between the TUG and the Dynamic Gait Index, or DGI ( r = 0.56 p < 0.01) between the UGS and the FSST ( r = 0.65 p < 0.01) and between the UGS and the DGI ( r = 0.82 p < 0.01).
It has good predictive power for such adverse health results as multi-morbidity, disability, and death and is a component of the Short Physical Performance Battery in addition to being a tool for the evaluation of the physical performance of the lower limbs of older adults. The UGS has been recommended as an appropriate measure for evaluating functional limitations. It has also been shown to have significant correlations with the Berg Balance Scale ( r = − 0.76), the Barthel Index ( r = − 0.48), and the Tinetti Mobility Index ( r = − 0.74). It is a test of balance that is commonly used to examine functional mobility in frail, community-dwelling, elderly adults and vestibular patients and it has been shown that it is reliable between raters (intra-class correlation coefficient and Test-Retest reliability, ICC = 0.99) in hospital day patients. The TUG test is simple, easy and quick to administer and requires no special equipment. It provides information that is useful for planning and assessing therapy. The DHI is a self-assessment inventory designed to evaluate the precipitating physical factors associated with dizziness as well as the functional and emotional consequences of disorders of the vestibular system. In addition, some questionnaires may be helpful for perceived disability, such as the Dizziness Handicap Inventory (DHI). Numerous simple and composite physical performance tests are used to screen for this risk among older adults and include the usual gait speed (UGS) and the Timed Up and Go (TUG). The detection of the fall risk in persons with vestibular and balance dysfunction is a subject of great concern to health professionals. Falls impact the physical, psychosocial, economic, and family life of these people and the resulting lesions range from small abrasions to fractures that are particularly common in osteoporotic bone. All of these are known risk factors for falls, which occur in up to 32% of individuals aged 65 to 74 years and 51% of those over the age of 85. The age-adjusted DHI has a low predictive power for TUG and UGS values.Įlderly persons with vestibular diseases often complain of dizziness, balance impairments, and visual – or gaze – disturbances. The total score and DHI domains have a significant association with the TUG and UGS values for elderly adults with vestibular disorders. The age-adjusted DHI had a low predictive power for these same values. The total score and the DHI domains showed a significant association with the TUG and UGS values. Unilateral vestibular hypofunction and Benign Paroxysmal Positional Vertigo presented the highest prevalence. We evaluated 118 clinical records, of which 26 were excluded due to incomplete information, leaving data from 92 vestibular patients (73 females 78.3 ± 5.8 years old). A Receiver Operating Characteristic (ROC) curve was used to analyze the predictive power of age, the DHI total, and the UGS for the sample’s TUG results. Age and the DHI were factored into multiple linear regression models in order to model the tests. Pearson’s or Spearman’s correlation coefficient was used depending on the distribution of data. The records were examined for the following information: sex, age, type of vestibular disorder, dizziness handicap inventory (DHI) score and performance in the TUG and UGS tests before treatment. This was a descriptive, analytical, and retrospective study that used data from the clinical records of vestibular patients aged 65 years or older at a rehabilitation service in Buenos Aires, Argentina.
This study was done to verify the associations between the usual gait speed (UGS), the Timed Up and Go test (TUG), and the perception of disability in elderly vestibular patients and to identify factors associated with TUG results.
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