EXHIBIT 2.
Trends in crude 30-day COVID-19-related mortality and asymptomatic infection rates among residents in a sample of US nursing homes, 2020
| Date of diagnosis (2020) | No. of residents |
30-day mortality rate (%) |
Infections that were asymptomatic (%) |
|||
|---|---|---|---|---|---|---|
| Asymptomatic | Symptomatic | Overall | ||||
| March 16–31 | 265 | 9.1 | 32.2 | 26.4 | 24.9 | |
| April 1–15 | 1,756 | 16.7 | 25.4 | 22.8 | 29.0 | |
| April 16–30 | 2,553 | 11.4 | 22.3 | 17.7 | 41.8 | |
| May 1–15 | 2,483 | 12.1 | 20.9 | 15.2 | 64.2 | |
| May 16–31 | 721 | 7.8 | 21.5 | 13.5 | 58.9 | |
| June 1–15 | 386 | 7.1 | 12.8 | 9.3 | 61.9 | |
| June 16–30 | 441 | 6.4 | 16.5 | 10.4 | 60.1 | |
| July 1–15 | 561 | 5.8 | 14.8 | 8.4 | 71.1 | |
| July 16–31 | 463 | 7.8 | 15.6 | 10.8 | 61.1 | |
| August 1–15 | 344 | 5.9 | 8.5 | 7.0 | 58.7 | |
| August 16–31 | 424 | 8.8 | 16.2 | 11.8 | 59.2 | |
| September 1–15 | 292 | 8.0 | 16.4 | 11.3 | 60.3 | |
| September 16–30 | 295 | 8.9 | 22.0 | 12.5 | 72.2 | |
| October 1–15 | 288 | 9.0 | 15.4 | 10.8 | 73.3 | |
| October 16–31 | 519 | 10.6 | 13.2 | 11.4 | 69.7 | |
| November 1–15 | 351 | 9.9 | 10.2 | 10.0 | 69.2 | |
SOURCE Authors’ analysis of resident-level data from 282 nursing homes operated by a large long-term care provider.
NOTE Symptomatic and asymptomatic classifications are described in the Study Data And Methods section.