Objectives In patients with chronic kidney disease, sarcopenia is associated with dialysis treatment, accelerated protein catabolism, and high energy demand. Thus, this study aimed to assess the association between 25-OH vitamin D concentrations and muscle function in patients undergoing hemodialysis. Design A cross-sectional study. Setting Performed in a hemodialysis clinic. Participants 79 adult and elderly patients undergoing hemodialysis. Measurements The sample was divided according to the SARC-F definition, being 55 patients allocated in the SARC-F Results Vitamin D concentrations and number of patients with low or normal muscle function did not differ between the groups. There was no correlation between SARC-F and 25-OH vitamin D levels (r: -0.09, p=0.42). Conclusions 25-OH vitamin D has no association with muscle function loss in adults and elderly patients undergoing hemodialysis.
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