Author: Christian Dudel; Tim Riffe; Enrique Acosta; Alyson A. van Raalte; Mikko Myrskyla
Title: Monitoring trends and differences in COVID-19 case fatality rates using decomposition methods: Contributions of age structure and age-specific fatality Document date: 2020_4_2
ID: 6ub9yh27_58
Snippet: As an artificial example, assume that the CFR in country A is equal to 2 percent, while it equals 4 percent in country B. Subtracting the CFR of country A from country B gives a difference of 2 percentage points. If a large part of this difference is due to the age structure, then could be 0.015 and could be 0.005. These sum to 0.02, or 2 percentage points. If, as another example, two countries have the same age structure of cases, then will be z.....
Document: As an artificial example, assume that the CFR in country A is equal to 2 percent, while it equals 4 percent in country B. Subtracting the CFR of country A from country B gives a difference of 2 percentage points. If a large part of this difference is due to the age structure, then could be 0.015 and could be 0.005. These sum to 0.02, or 2 percentage points. If, as another example, two countries have the same age structure of cases, then will be zero. A similar reasoning holds for if age-specific CFRs are the same for both countries being compared. In relative terms, the -component explains 75 percent of the difference between countries, while thecomponent only explains 25 percent.
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