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. 2022 Jan 19;19(3):1073. doi: 10.3390/ijerph19031073

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Relationship between categories of COVID-19 Vulnerability Score (CVS) and (i) the risk of occurrence of severe/fatal forms of COVID-19, with 95% confidence band (upper box, red columns), (ii) its distribution among NHS beneficiaries (bottom box, green columns). Columns indicate the observed values of risk and prevalence respectively (please see text, Question 1). Footnote. The analysis was based on the cohort of 7,655,502 beneficiaries of the Lombardy Region Health Service for at least two years, who on 21st February 2020 were alive, were aged 18 to 79 years, and did not reside in a nursing home. During the first epidemic wave (until June 2020), this cohort experienced 9160 severe (intensive care unit admitted and mechanically ventilated via intubation) and/or fatal outcomes. The average incidence rate during the first wave was therefore 12.0 cases per 10,000 people at risk.