Table 4.

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

	Race and ethnicity
	NH White	Black	Hispanic	Othersa
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 rateb	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 rateb	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