Table 1.
Characteristics of the included studies
| Study | Study design | Subjects (n, age, M:F) | Definition of sarcopenia | Body composition assessment | Muscle function assessment | Participant recruitment method | Region |
|---|---|---|---|---|---|---|---|
| Jung et al., 2019 [10] | Cross-sectional | 521, 71.6 y, 263:258 | EWGSOP | BIA | Handgrip strength | National Fitness Award Project in 2014-2015 | Nationwide |
| Kim et al., 2016 [11] | Cross-sectional | 302, 75.0 y, 139:163 | EWGSOP | DXA | Handgrip strength, 6-meter usual gait speed | Hallym Aging Study data in 2010 | Chuncheon |
| Kim et al., 2019 [12] | Cross-sectional | 2099, 75.9 y, 1053:1046 | EWGSOP | DXA, BIA | Handgrip strength, chair stand test (five times sit-to-stand test) | The nationwide Korean Frailty and Aging Cohort Study in 2016-2017 | Nationwide |
M, male; F, female; EWGSOP, European Working Group on Sarcopenia in Older People; BIA, bioelectrical impedance analysis; DXA, dual-energy X-ray absorptiometry.