Pre-existing health conditions and severe COVID-19 outcomes: an umbrella review approach and meta-analysis of global evidence
Abstract Background This study applies an umbrella review approach to summarise the global evidence on the risk of severe COVID-19 outcomes in patients with pre-existing health conditions. Methods Systematic reviews (SRs) were identified in PubMed, Embase/Medline and seven pre-print servers until De...
Main Authors: | , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2021-08-01
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Series: | BMC Medicine |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12916-021-02058-6 |