Yang (2020)
Prevalence of comorbidities and its effects in coronavirus disease 2019 patients: A systematic review and meta-analysis
https://doi.org/10.1016/j.ijid.2020.03.017
https://www.ijidonline.com/article/S1201-9712(20)30136-3/fulltext
Comorbidities
Chronic respiratory disease (Present vs. Not present)
COVID-19 (severe/critical)
Odds ratio: 2.460 (1.760-3.440) Univariate analysis. Calculated odds ratio based on data reported in the article.

China

Meta-analysis

Published studies

1425

Eligible studies should describe the epidemiological, clinical features of (COVID-19), and the prevalence of Chronic diseases in infected patients.

median age was 46.0 years and 23871 (51.6%) were men

Not applicable

0


COVID-19 (severe/critical)

267

Not defined


Comorbidities

Chronic respiratory disease

Not present

194

1145

Present

73

280


Odds ratio

2.460 (1.760-3.440)

No

Yes

No

Not applicable


Size of study population (n=1425), number of cases were based on the number of patients included in the analysis (Figure 3C)

Average