Abstract:
BACKGROUND:Malnutrition and poor physical performance are both conditions that increase in prevalence with age; however, their interrelation in a clinically relevant population has not been thoroughly studied. AIMS:This study aimed to determine the strength of the association between malnutrition and measures of both static and dynamic physical performance in a cohort of geriatric outpatients. METHODS:This cross-sectional study included 286 older adults (mean age 81.8, SD 7.2 years, and 40.6% male) who were referred to geriatric outpatient mobility clinics. The presence of malnutrition was determined using the Short Nutritional Assessment Questionnaire (SNAQ, cut-off ≥ 2 points). Measures of dynamic physical performance included timed up and go (TUG), 4-m walk test, and chair stand test (CST). Static performance encompassed balance tests and hand grip strength (HGS). Physical performance was standardized into sex-specific Z-scores. The association between malnutrition and each individual measure of physical performance was assessed using linear regression analysis. RESULTS:19.9% of the cohort was identified as malnourished. Malnutrition was most strongly associated with CST and gait speed; less strong but significant associations were found between malnutrition and TUG. There was no significant association between malnutrition and HGS or balance. DISCUSSION:Physical performance was associated with malnutrition, specifically, dynamic rather than static measures. This may reflect muscle power being more impacted by nutritional status than muscle strength; however, this needs to be further addressed. CONCLUSIONS:Malnutrition is associated with dynamic physical performance in geriatric outpatients, which should inform diagnosis and treatment/prevention strategies.
journal_name
Aging Clin Exp Resjournal_title
Aging clinical and experimental researchauthors
Ramsey KA,Meskers CGM,Trappenburg MC,Verlaan S,Reijnierse EM,Whittaker AC,Maier ABdoi
10.1007/s40520-019-01295-3subject
Has Abstractpub_date
2020-06-01 00:00:00pages
1085-1092issue
6eissn
1594-0667issn
1720-8319pii
10.1007/s40520-019-01295-3journal_volume
32pub_type
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journal_title:Aging clinical and experimental research
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