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Article data
Russell (2020)
Estimating the infection and case fatality ratio for coronavirus disease (COVID-19) using age-adjusted data from the outbreak on the Diamond Princess cruise ship, February 2020
https://doi.org/10.2807/1560-7917.ES.2020.25.12.2000256
https://www.ncbi.nlm.nih.gov/pubmed/32234121

Results
Patient characteristics
Age (70-79 years vs. 20-39 years)
Asymptomatic SARS COV-2
Odds ratio: 12.140 (6.340-23.230) Univariate analysis. Calculated odds ratio based on data reported in the article.

Study characteristics

Japan

Prospective cohort study

Primary data collection

3711

Passengers and crew members on board of Diamond Princess cruise ship.

National Institute of Infectious Diseases (NIID). Field Briefing: Diamond Princess COVID-19 Cases. Tokyo: NIID; 19 Feb 2020. Available from: https://www.niid.go.jp/niid/en/2019-ncove/9417-covid-dp-fe-02.html

Total

1 Month


Results

Asymptomatic SARS COV-2

318

Confirmed SARS-COV2 (PCR) without symptoms

Patient characteristics

Age

20-39 years

52

775

70-79 years

139

1015

Odds ratio

12.140 (6.340-23.230)

No

Yes

No

none


Other information

ORs are calculated using data reported in the article

Average

No

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