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Correlation between intrinsic capacity and physical function. Spearman correlation coefficients were calculated between intrinsic capacity score and (A) age, (B) Barthel index (log-transformed), (C) IADL score, (D) Fried phenotype, (E) grip strength, and (F) walking speed. IC, intrinsic capacity; BI, Barthel index; IADL, instrumental activities of daily living.
