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Variation in ADRD new diagnosis rate across U.S. hospital referral regions among older adults (≥66) in FFS Medicare by age category and race/ethnicity. Note: Fewer than 306 HRRs among subgroups due to exclusion of HRRs with fewer than 100 FFS beneficiaries. ADRD, Alzheimer's disease and other related dementias; CV, coefficient of variation; FFS, Fee‐For‐Service; HRR, hospital referral region; IQR, interquartile range; SD, standard deviation.
