CDC (2020)
Preliminary Estimates of the Prevalence of Selected Underlying Health Conditions Among Patients with Coronavirus Disease 2019 ? United States, February 12?March 28, 2020 [MMWR Morb Mortal Wkly Rep]
10.15585/mmwr.mm6913e2
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7119513/
Patient characteristics
Smoking (History of smoking vs. No history of smoking)
COVID-19 (severe/critical)
Odds ratio: 3.770 (2.537-5.602) Univariate analysis

United States of America

Retrospective observational study

Registry

7162

A total of 122,653 laboratory-confirmed COVID-19 cases (Figure) and 2,112 deaths were reported to CDC. Case report forms were submitted to CDC for 74,439 (60.7%) cases

Preliminary Estimates of the Prevalence of Selected Underlying Health Conditions Among Patients with Coronavirus Disease 2019 United States, February 12 March 28, 2020 [MMWR Morb Mortal Wkly Rep]

0


COVID-19 (severe/critical)

457

COVID-19 (critical: ICU admission), comparison group: non-ICU and non-hospitalized


Patient characteristics

Smoking

none

No history of smoking

424

6479

History of smoking

33

158


Odds ratio

3.770 (2.537-5.602)

No

Yes

No

none, own calculation


none

Average

Yes