ARID4B and sarcopenia: In the multivariate analysis, the following four variables were retained as independent factors associated with sarcopenia (Table 2): older age (odds ratio (OR), 1.102; 95% confidence interval (CI), 1.053–1.153; p < 0.001); lower BMI (OR, 0.760; 95% CI, 0.650–0.887; p = 0.001); lower IGF-1 (OR, 0.962; 95% CI, 0.938–0.987; p = 0.003); and lower BCAA (OR, 0.989; 95% CI, 0.983–0.994; p < 0.001).