PMID: 16649889May 3, 2006Paper

Timed "Up & Go" test: reliability in older people dependent in activities of daily living--focus on cognitive state

Physical Therapy
Ellinor NordinLillemor Lundin-Olsson

Abstract

It is unknown how cognitive impairment affects the reliability of Timed "Up & Go" Test (TUG) scores. The aim of the present study was to investigate the expected variability of TUG scores in older subjects dependent in activities of daily living (ADL) and with different levels of cognitive state. The hypothesis was that cognitive impairment would increase the variability of TUG scores. Seventy-eight subjects with multiple impairments, dependent in ADL, and living in residential care facilities were included in this study. The subjects were 84.8+/-5.7 (mean+/-SD) years of age, and their Mini-Mental State Examination score was 18.7+/-5.6. The TUG assessments were performed on 3 different days. Intrarater and interrater analyses were carried out. Cognitive impairment was not related to the size of the variability of TUG scores. There was a significant relationship between the variability and the time taken to perform the TUG. The intraclass correlations were greater than .90 and were similar within and between raters. In repeated measurements at the individual level, an observed value of 10 seconds was expected to vary from 7 to 15 seconds and an observed value of 40 seconds was expected to vary from 26 to 61 seconds for 95% of th...Continue Reading

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