Journal of the American Medical Directors Association
JAMDA OnlineOriginal StudyComparisons of Sarcopenia Defined by IWGS and EWGSOP Criteria Among Older People: Results From the I-Lan Longitudinal Aging Study
Section snippets
Participants
The I-Lan Longitudinal Ageing Study (ILAS), a population-based aging cohort study, consisted of long-living middle-aged and elderly people in the I-Lan County of Taiwan. The ILAS intended to explore the complex interrelationship among aging, frailty, sarcopenia, and decline of cognitive function. Community-dwelling people aged 50 years and older were randomly sampled through the household registration data from I-Lan County. Research nurses invited sampled individuals to participate in the
Results
Among 100 young reference adults, the mean RASM (ASM/ht2) was 8.2 kg/m2 for men and 5.9 kg/m2 for women; and the mean SMI was 40% for men and 31% for women. The lower 20th percentiles of these measurements were defined as cutoff points of lower muscle mass, which were 7.27 kg/m2 for men and 5.44 kg/m2 for women by RASM and 37.4% for men and 28.0% for women by SMI (Table 1).
Overall, data of 386 elderly participants (mean age: 73.7 ± 5.6 years, 57.8% men) were retrieved for analysis. Table 2
Discussion
Currently, the prevalence of sarcopenia varies extensively when different definitions, instruments of measurements, methods of determining cutoff values, and gender are considered,14, 36, 37, 38, 39 which supports the need for a universal consensus of sarcopenia with full considerations of the aforementioned factors. Diagnostic criteria of IWGS and EWGSOP were the 2 commonly used definitions for sarcopenia; however, little was known regarding the evaluations of the consistency of the IWGS and
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The authors declare no conflicts of interest.