Alzheimer's Research & Therapy

Table 4 Observed and expected rates and detection rates for MCI and dementia by race and ethnicity, 2017 to 2019

From: Expected and diagnosed rates of mild cognitive impairment and dementia in the U.S. Medicare population: observational analysis

	Race and ethnicity
	NH White	Black	Hispanic	Others^a
Included beneficiaries	31,701,890	3,553,686	3,489,177	2,460,721
MCI
Observed rate	0.016	0.013	0.016	0.011
Expected rate	0.163	0.332	0.338	0.218
Detection rate^b	0.098	0.039	0.048	0.050
Dementia
Observed rate	0.093	0.122	0.112	0.071
Expected rate	0.068	0.175	0.148	0.112
Detection rate^b	1.367	0.696	0.758	0.630

NH Non-Hispanic, MCI Mild cognitive impairment
^aIncludes unknown race/ethnicity
^bThe detection rate is the ratio of the observed to the expected rate, where the expected rate is computed based on a predictive model

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ISSN: 1758-9193

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