 The study found that 15.4% of men and 18.5% of women had a positive test result indicating sarcopenia. This rate was significantly higher in people aged greater than or equal to 80 years compared to those aged 65 to 74 and greater than or equal to 75 years old. Metabolic syndrome was also identified as a risk factor for having a positive test result in women aged 65 to 74 and greater than or equal to 75 years old. This article was authored by Hiroyuki Nakamura, Hitomi Fuji, Ataro Kodani and others.