Age- and sex-specific muscle health cut-offs improve prognostic accuracy in older patients with heart failure: a secondary analysis of a nationwide, multicenter cohort registry.

Aims Universal muscle health cut-offs for older patients with heart failure often overlook age- and sex-specific biological heterogeneity, potentially compromising prognostic accuracy. We aimed to develop and validate age- and sex-specific cut-off values for muscle health metrics to enhance prognost...

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