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A characteristic condition of pre-frail elderly people is decreased mobility, which is associated with vitamin D levels and renal function. The aim of this study was to examine the association between physical fitness improvement and vitamin D levels, vitamin D supplements, and renal function in pre-frail elderly people.

nihon rōnen igakkai zasshi

Examination of effects of alfacalcidol vitamin D supplement and renal function on improvement in the physical fitness of pre-frail elderly persons attending a nursing care prevention class