Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/5151
Title: Analyzing the GHSI puzzle of whether highly developed countries fared worse in COVID-19
Authors: Marković, Sofija 
Salom, Igor
Rodić, Anđela 
Đorđević, Marko 
Keywords: Machine learning;Viral infection
Issue Date: 21-Oct-2022
Rank: M21
Publisher: National Library of Medicine
Citation: Markovic, S., Salom, I., Rodic, A. et al. Analyzing the GHSI puzzle of whether highly developed countries fared worse in COVID-19. Sci Rep 12, 17711 (2022). https://doi.org/10.1038/s41598-022-22578-2.
Journal: Scientific Reports
Volume: 12
Issue: 1
Start page: 17711
Abstract: 
Global Health Security Index (GHSI) categories are formulated to assess the capacity of world countries to deal with infectious disease risks. Thus, higher values of these indices were expected to translate to lower COVID-19 severity. However, it turned out to be the opposite, surprisingly suggesting that higher estimated country preparedness to epidemics may lead to higher disease mortality. To address this puzzle, we: (i) use a model-derived measure of COVID-19 severity; (ii) employ a range of statistical learning approaches, including non-parametric machine learning methods; (iii) consider the overall excess mortality, in addition to official COVID-19 fatality counts. Our results suggest that the puzzle is, to a large extent, an artifact of oversimplified data analysis and a consequence of misclassified COVID-19 deaths, combined with the higher median age of the population and earlier epidemics onset in countries with high GHSI scores.
URI: https://biore.bio.bg.ac.rs/handle/123456789/5151
ISSN: 2045-2322
DOI: 10.1038/s41598-022-22578-2
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