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Variation in the Prevalence of Sarcopenia and Sarcopenic Obesity in Older Adults Associated with Different Research Definitions: Dual‐Energy X ‐Ray Absorptiometry Data from the N ational H ealth and N utrition E xamination S urvey 1999–2004
Author(s) -
Batsis John A.,
Barre Laura K.,
Mackenzie Todd A.,
Pratt Sarah I.,
LopezJimenez Francisco,
Bartels Stephen J.
Publication year - 2013
Publication title -
journal of the american geriatrics society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.992
H-Index - 232
eISSN - 1532-5415
pISSN - 0002-8614
DOI - 10.1111/jgs.12260
Subject(s) - sarcopenic obesity , medicine , sarcopenia , obesity , dual energy x ray absorptiometry , demography , gerontology , national health and nutrition examination survey , population , ethnic group , osteoporosis , environmental health , bone mineral , sociology , anthropology
Objectives To determine the prevalence range for sarcopenic obesity and its relationship with sex, age, and ethnicity. Design Cross‐sectional analysis of a population‐based sample. Setting Noninstitutionalized persons in the U nited S tates participating in the N ational H ealth and N utrition E xamination S urveys 1999–2004. Participants Subsample of 4,984 subjects aged 60 and older with dual‐energy X‐ray absorptiometry body composition data. Measurements Eight definitions of sarcopenic obesity identified from six studies found using a systematic literature review ( B aumgartner, B ouchard, D avison, Z oico, L evine, K im‐1,2,3) were applied to the sample. Results were stratified according to sex, age, and ethnicity. Results Prevalence of sarcopenic obesity ranged from 4.4% to 84.0% in men and from 3.6% to 94.0% in women. Prevalence was higher in men using definitions from Baumgartner (17.9% vs 13.3%, P  < .001), Levine (14.2% vs 6.6%, P  < .001), and Kim‐1 (30.0% vs 9.3%, P  < .001); lower for men using the Davison (4.4% vs 11.1%, P  < .001) and Kim‐2 (83.7% vs 94.0%) definitions; and the same for men and women using the Bouchard (45.3% vs 44.3%, P  = .32) and Kim‐3 (75.6% vs 77.0%, P  = .51) definitions. For all but one definition, sarcopenic obesity increased with each decade and was lower in non‐ H ispanic blacks than whites. Conclusion Prevalence of sarcopenic obesity in older adults varies up to 26‐fold depending on current research definitions. Such a high degree of variability suggests the need to establish consensus criteria that can be reliably applied across clinical and research settings.

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