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Estimation of standardized real-time fatality rate for ongoing epidemics
1Department of Computer Science and Engineering, Guangdong Ocean University, Zhanjiang, People's Republic of China.
Plos One
|May 21, 2024
Summary
A new standardized estimator accurately tracks COVID-19 fatality rates, correcting misleading decreases caused by changing case demographics. This is vital for public health policy during epidemics.
Area of Science:
- Epidemiology
- Public Health
Background:
- The fatality rate is critical for epidemic public health policy.
- Shifting age demographics of COVID-19 cases can create a spurious decrease in fatality rates.
- Accurate real-time fatality estimation is essential.
Purpose of the Study:
- To propose a standardized real-time fatality rate estimator.
- To evaluate the estimator's performance through simulation.
- To apply the estimator to COVID-19 data in Germany.
Main Methods:
- Developed a standardized real-time fatality rate estimator.
- Conducted simulation studies to assess estimator performance.
- Applied the estimator to German COVID-19 data (March 2020 - May 2022).
Main Results:
- The proposed estimator accurately reflects disease fatality trends.
- Existing estimators can be misleading with changing age distributions.
- An increase in fatality rate was observed with Germany's 'live with COVID' strategy.
Conclusions:
- Frequent examination of fatality rates is crucial as countries adapt to living with the virus.
- The standardized estimator provides reliable insights for public health decision-making.
- Accurate fatality rate monitoring is key during ongoing epidemics.
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