Pre-existing COPD is associated with an increased risk of mortality and severity in COVID-19: a rapid systematic review and meta-analysis.
- Publisher:
- TAYLOR & FRANCIS LTD
- Publication Type:
- Journal Article
- Citation:
- Expert Rev Respir Med, 2021, 15, (5), pp. 705-716
- Issue Date:
- 2021-05
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Accepted author version.pdf | Accepted version | 1.38 MB |
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Objectives: The objective of this systematic review and meta-analysis was to investigate COVID-19 mortality and severity among patients with pre-existing COPD.Methods: We performed systematic searches in Ovid Medline, Embase via Ovid, PubMed, and Scopus from 15 December 2019 to 7 July 2020. Studies which reported the association and presented data on risk estimate (Hazard Ratio [HR]) with 95% confidence intervals (95%CIs) were extracted. A random-effects model was used to obtain the pooled estimates, and a pooled Risk Ratio (RR) was calculated. Study quality was assessed using a modified version of the Newcastle-Ottawa Scale.Results: Our meta-analysis showed an increased likelihood of mortality in COVID-19 patients with pre-existing COPD (RR 3.18, 95% CI 2.11-4.80, HR 1.90, 95%CI 1.11-3.26). Furthermore, the pooled estimate for the association between pre-existing COPD and severity due to COVID-19 was also significant (RR 3.63, 95%CI 2.48-5.31). Males had an increased risk of mortality (RR 1.20, 95%CI 1.12-1.29) compared to females.Conclusion: We found that patients with pre-existing COPD had more than 3 times higher risk of mortality and severe COVID-19. There is a need to identify patients with pre-existing COPD during the pandemic so that early interventions can be aimed at this group of patients.
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