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a) Unadjusted mean for Short Physical Performance Battery (SPPB) score as a function of cognition (MMSE<21 and MMSE ≥ 21) over a 20-year follow-up period. B) Adjusted means for SPPB score and adjusted means for all covariates as a function of cognitive impairment over a 20-year follow-up period. MMSE: Mini-Mental State Examination.
