Prevalence of sarcopenia in community-dwelling older adults using the definition of the European Working Group on Sarcopenia in Older People 2: findings from the Korean Frailty and Aging Cohort Study.

in October 2018, the European Working Group on Sarcopenia in Older People 2 (EWGSOP2) updated their original definition of sarcopenia to reflect the scientific and clinical evidence that has accumulated over the last decade. to determine the prevalence of sarcopenia in a large group of community-dwelling older adults using the EWGSOP2 definition and algorithm. a cross-sectional study. the nationwide Korean Frailty and Aging Cohort Study (KFACS). a total of 2,099 ambulatory community-dwelling older adults, aged 70-84 years (mean age, 75.9 ± 4.0 years; 49.8% women) who were enrolled in the KFACS. physical function was assessed by handgrip strength, usual gait speed, the five-times-sit-to-stand test, the timed up-and-go test, and the Short Physical Performance Battery. Appendicular skeletal muscle mass (ASM) was measured by dual-energy X-ray absorptiometry. according to the criteria of the EWGSOP2, the sarcopenia indicators of combined low muscle strength and low muscle quantity were present in 4.6-14.5% of men and 6.7-14.4% of women. The severe sarcopenia indicators of combined low muscle strength, low muscle quantity and low physical performance were present in 0.3-2.2% of men and 0.2-6.2% of women. Using the clinical algorithm with SARC-F as a screening tool, the prevalence of probable sarcopenia (2.2%), confirmed sarcopenia (1.4%) and severe sarcopenia (0.8%) was low. the prevalence of sarcopenia among community-dwelling older individuals varied depending on which components of the revised EWGSOP2 definition were used, such as the tools used to measure muscle strength and the ASM indicators for low muscle mass.

Kim M ，Won CW 《-》

Sarcopenia in Korean Community-Dwelling Adults Aged 70 Years and Older: Application of Screening and Diagnostic Tools From the Asian Working Group for Sarcopenia 2019 Update.

To describe the prevalence of sarcopenia in a large group of community-dwelling older adults using the Asian Working Group for Sarcopenia (AWGS) 2019 definition and algorithm. Cross-sectional data analysis of a cohort study. The Nationwide Korean Frailty and Aging Cohort Study (KFACS). A total of 2123 ambulatory community-dwelling older adults, aged 70 to 84 years (mean, 75.9 ± 3.9 years; 49.5% women) were enrolled in the KFACS. Appendicular skeletal muscle mass was measured by dual-energy x-ray absorptiometry. Physical function was assessed by handgrip strength, usual gait speed, the 5-times-sit-to-stand test, the timed up-and-go test, and the Short Physical Performance Battery. In a case-finding assessment, screening for sarcopenia was performed using the calf circumference (CC), SARC-F questionnaire, and SARC-F combined with CC (SARC-CalF). According to the AWGS 2019 algorithm, 43.5%, 7.5%, and 26.0% of the subjects in the whole study sample were classified as those at risk for sarcopenia according to CC, SARC-F, and SARC-CalF, respectively. The prevalence rates of possible sarcopenia using 3 screening tools for case-finding and muscle strength or physical performance tests according to the AWGS 2019 diagnostic algorithm were 20.1% in men and 29.2% in women. The prevalence rates of sarcopenia, when defined as low muscle mass plus low handgrip strength and/or slow gait speed, were significantly higher according to the AWGS 2019 (21.3% in men and 13.8% in women) than the AWGS 2014 (10.3% in men and 8.1% in women) definitions. The prevalence of severe sarcopenia was 6.4% in men and 3.2% in women. The results of our study suggest that the use of CC and SARC-CalF to screen for possible sarcopenia may be more suited than using the SARC-F questionnaire alone according to the AWGS 2019 diagnostic algorithm in community-dwelling adults aged 70 to 84 years. The prevalence of sarcopenia was significantly higher according to the AWGS 2019 than AWGS 2014 criteria.

Kim M ，Won CW 《-》

Sit-to-Stand Video Analysis-Based App for Diagnosing Sarcopenia and Its Relationship With Health-Related Risk Factors and Frailty in Community-Dwelling Older Adults: Diagnostic Accuracy Study.

Ruiz-Cárdenas JD ，Montemurro A ，Martínez-García MDM ，Rodríguez-Juan JJ ... -  《JOURNAL OF MEDICAL INTERNET RESEARCH》

Prevalence of Sarcopenia in Community-Dwelling Older Adults in Valencia, Spain.

Guillamón-Escudero C ，Diago-Galmés A ，Tenías-Burillo JM ，Soriano JM ，Fernández-Garrido JJ ... -  《-》

Comparison of revised EWGSOP criteria and four other diagnostic criteria of sarcopenia in Chinese community-dwelling elderly residents.

To compare the prevalence and associated factors of sarcopenia defined by the revised European Working Group on Sarcopenia in Older People (EWGSOP2) criteria with the initial European Working Group on Sarcopenia in Older People (EWGSOP1) criteria, the Asia Working Group for Sarcopenia (AWGS), the International Working Group on Sarcopenia (IWGS), and the National Institutes of Health (FNIH) Sarcopenia Project criteria among Chinese community-dwelling older adults. A cross-sectional study. Two community health centers in Urumqi, China. A total of 483 participants aged 60 years and older from the community. Anthropometry, skeletal muscle mass, handgrip strength, 4-m walking speed, and biochemical markers. Questionnaire collected information included demographics, lifestyle, and quality of life. The prevalence of EWGSOP2-defined sarcopenia (men: 6.5%; women: 3.3%) was lower than that defined by the EWGSOP1 (men: 22.3%; women 11.7%), AWGS (men: 10.9%; women: 8.0%), and IWGS (men: 24.5%; women: 11.0%) criteria, but higher than FNIH criteria (men: 6.0%; women: 1.7%). The positive percent agreement was lower (men: 15.6%-63.6%; women: 15.2%-40.0%), while negative percent agreement was higher (men: 96.4%-100.0%; women: 97.3%-99.6%). Sex (OR 0.31, 95% CI 0.12-0.81), education level (OR 0.49, 95% CI 0.29-0.83), and body mass index (BMI, OR 0.73, 95% CI 0.62-0.86) were associated with sarcopenia defined by the EWGSOP2 criteria. No consistent pattern of risk factors associated with sarcopenia in EWGSOP2 and four other diagnostic criteria was present. The EWGSOP2 criteria did not agree with the EWGSOP1, AWGS, IWGA, and FNIH criteria defining sarcopenia. Risk factors associated with the EWGSOP2-defined sarcopenia have no consistent patterns with the EWGSOP1, AWGS, IWGA, and FNIH criteria. Therefore, the validity of the EWGSOP2 consensus needs to be confirmed in further prospective studies.

Yang L ，Yao X ，Shen J ，Sun G ，Sun Q ，Tian X ，Li X ，Li X ，Ye L ，Zhang Z ，Dai J ，Xiao H ... -  《-》