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Study characteristics

Country where the study was conducted

China

Study type

Retrospective cohort study

Data Source

Medical records

Size of study popopulation

115

Study population description

COVID-19 patients

Study population characteristics

COVID-19 was diagnosed based on criteria issued by the National Health Commission of China patients in Zhongnan hospital of Wuhan University from Jan 18 to Feb 22, 2020.

Follow up type

Total

Follow up

Results

Outcome related to coronavirus

COVID-19 (severe/critical)

Number of cases

Case definition

Patients with one of respiratory rate >30 breaths/min, SpO2 <93% on room air, or PaO2/FiO2 <=300mmHg, were classified as severe cases, and the others were classified as mild cases.

Associated factor category

Patient characteristics

Associated factor name

Age

Associated factor description

none

Risk reference category

Not applicable

Number of cases in the reference category

Total number of patients in the reference category

Risk comparison category

1 year increase

Number of cases in the comparison category

Total number of patients in the comparison category

Type of measure of association

Odds ratio

Risk value (95% confidence interval)

1.110 (1.060-1.160)

Significant preventive factor

Significant risk factor

Is the risk adjusted?

Yes

Risk adjustment description

age, gender and ALT

Other information

Comment

none

Article Quality

Good

QC done?

Yes

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