Table 2. Crude and Risk-Adjusted Mortality for Medicare Enrollees With or Without ADRD Between March and December 2019 and March and December 2020.
| Variable | With ADRD, % | 2020/2019 ADRD excess mortality (95% CI)a | Without ADRD, % | 2020/2019 Without ADRD excess mortality (95% CI)a | ||
|---|---|---|---|---|---|---|
| 2019 | 2020 | 2019 | 2020 | |||
| Overall crude and adjusted mortality rates | ||||||
| Crude mortality | 19.2 | 24.2 | 1.26 (1.25-1.26) | 2.3 | 2.6 | 1.14 (1.13-1.14) |
| Adjusted mortality | 19.6 | 24.6 | 1.26 (1.25-1.26) | 4.2 | 4.7 | 1.12 (1.12-1.13) |
| Nursing home residents crude and adjusted mortality rates | ||||||
| Crude mortality | 24.8 | 32.9 | 1.33 (1.32-1.33) | 15.6 | 19.5 | 1.25 (1.24-1.26) |
| Adjusted mortality | 24.8 | 33.0 | 1.33 (1.33-1.34) | 16.6 | 20.6 | 1.24 (1.23-1.25) |
| Demographic subgroups adjusted mortality rates | ||||||
| Men | 21.6 | 27.2 | 1.26 (1.25-1.26) | 4.6 | 5.3 | 1.15 (1.14-1.13) |
| Women | 18.4 | 23.1 | 1.26 (1.25-1.26) | 4.0 | 4.4 | 1.11 (1.10-1.11) |
| Asian population | 14.2 | 19.4 | 1.36 (1.33-1.39) | 3.1 | 3.8 | 1.21 (1.19-1.23) |
| Black population | 19.4 | 26.6 | 1.37 (1.35-1.38) | 4.0 | 5.3 | 1.31 (1.30-1.32) |
| Hispanic population | 16.4 | 23.0 | 1.40 (1.38-1.42) | 3.8 | 5.0 | 1.32 (1.30-1.34) |
Abbreviation: ADRD, Alzheimer disease and related dementias.
a
Excess mortality is the ratio of the mortality rate in 2020 divided by the mortality rate in 2019 for a given group.