A serum creatinine-cystatin C-derived index as a predictive marker for sarcopenia incidence and progression in community-dwelling older adults: a prospective cohort study.
Identifying individuals at risk of sarcopenia incidence or progression remains challenging. Serum creatinine- and cystatin C-derived indices are objective markers of muscle metabolism; however, their predictive value for sarcopenia progression remains uncertain. This study evaluated the association between a creatinine-...