Journal
GERIATRICS & GERONTOLOGY INTERNATIONAL
Volume 17, Issue -, Pages 14-19Publisher
WILEY
DOI: 10.1111/ggi.13034
Keywords
dynapenia; slow gait speed; old people; rapid cognitive decline
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Funding
- Veterans Affairs Commission of Taiwan
- Ministry of Science and Technology [MOST 103-2633-B-400-002, MOST 101-2314-B-010-008]
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AimSlow gait speed has been associated with mortality, poor physical function and disability in older people. Our aim was to evaluate the association between slow gait speed and rapid cognitive decline among oldest-old men in Taiwan. MethodsWe carried out a longitudinal cohort study in a veterans' retirement community, and enrolled 249 male residents aged 80years and older. Slow gait speed was defined as <1m/s, and rapid cognitive decline was defined as a Mini-Mental State Examination (MMSE) decline of 3 points over 1year. Body mass index, Charlson's Comorbidity Index, handgrip strength, gait speed and Mini-Mental State Examination datasets were collected, and a logistic regression model was built to evaluate the association between fast cognitive decline and slow gait speed. ResultsIn all, 249 residents (mean age 86.44.01years) were recruited, including 58 (23.3%) with rapid cognitive decline. Univariate analysis showed that slow gait speed could predict rapid cognitive decline (OR 4.10, 95% CI 1.20-14.00, P=0.024). After adjusting for age, Charlson's Comorbidity Index, polypharmacy, psychiatric drug usage, cigarette smoking experience, baseline cognitive function, depressive mood, handgrip strength, nutritional status and history of fall, slow gait speed was still independently associated with rapid cognitive decline (adjusted OR 4.58, 95% CI 1.22-17.2, P=0.024). ConclusionsSlow gait speed was thus an independent predictor of rapid cognitive decline in oldest-old men in a veterans' retirement community in Taiwan. Geriatr Gerontol Int 2017: 17 (Suppl. 1): 14-19.
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