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A systematic reviewand meta-analysis ofpublished researchdata on COVID-19infection fatalityrates Gideon Meyerowitz‐KatzLea Merone2020 год

A systematic review and meta-analysis of published research data on COVID-19 infection fatality rates

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Аннотация: An important unknown during the coronavirus disease-2019 (COVID-19) pandemic has been the infection fatality rate (IFR). This differs from the case fatality rate (CFR) as an estimate of the number of deaths and as a proportion of the total number of cases, including those who are mild and asymptomatic. While the CFR is extremely valuable for experts, IFR is increasingly being called for by policy makers and the lay public as an estimate of the overall mortality from COVID-19.Pubmed, Medline, SSRN, and Medrxiv were searched using a set of terms and Boolean operators on 25/04/2020 and re-searched on 14/05/2020, 21/05/2020 and 16/06/2020. Articles were screened for inclusion by both authors. Meta-analysis was performed in Stata 15.1 by using the metan command, based on IFR and confidence intervals extracted from each study. Google/Google Scholar was used to assess the grey literature relating to government reports.After exclusions, there were 24 estimates of IFR included in the final meta-analysis, from a wide range of countries, published between February and June 2020. The meta-analysis demonstrated a point estimate of IFR of 0.68% (0.53%-0.82%) with high heterogeneity (p < 0.001).Based on a systematic review and meta-analysis of published evidence on COVID-19 until July 2020, the IFR of the disease across populations is 0.68% (0.53%-0.82%). However, due to very high heterogeneity in the meta-analysis, it is difficult to know if this represents a completely unbiased point estimate. It is likely that, due to age and perhaps underlying comorbidities in the population, different places will experience different IFRs due to the disease. Given issues with mortality recording, it is also likely that this represents an underestimate of the true IFR figure. More research looking at age-stratified IFR is urgently needed to inform policymaking on this front.
Год издания: 2020
Авторы: Gideon Meyerowitz‐Katz, Lea Merone
Издательство: Elsevier BV
Источник: International Journal of Infectious Diseases
Ключевые слова: COVID-19 and healthcare impacts, COVID-19 epidemiological studies, COVID-19 and Mental Health
Другие ссылки: International Journal of Infectious Diseases (HTML)
DOAJ (DOAJ: Directory of Open Access Journals) (HTML)
PubMed Central (HTML)
ResearchOnline at James Cook University (James Cook University) (HTML)
medRxiv (Cold Spring Harbor Laboratory) (HTML)
PubMed (HTML)