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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

201

Study population description

Patients aged 21 to 83 years with confirmed COVID-19 pneumonia hospitalized at Jinyintan Hospital in Wuhan, China.

Study population characteristics

All patients were diagnosed with COVID-19 pneumonia according to World Health Organization interim guidance. According tohospitaldata, patients were admitted from December 25, 2019, to January 26, 2020.

Follow up type

Follow up

Results

Outcome related to coronavirus

COVID-19 (death)

Number of cases

Case definition

Development of ARDS and death among those with ARDS. World Health Organization interim guidance was used to define ARDS.

Associated factor category

Laboratory Findings

Associated factor name

APTT

Associated factor description

Risk reference category

Normal

Number of cases in the reference category

Total number of patients in the reference category

Risk comparison category

Abnormal at admission

Number of cases in the comparison category

Total number of patients in the comparison category

Type of measure of association

Hazard ratio

Risk value (95% confidence interval)

0.960 (0.910-1.000)

Significant preventive factor

Significant risk factor

Is the risk adjusted?

Risk adjustment description

Bivariate Cox proportional hazard ratio (HR) models were used to determine HRs and 95% CIs between individual factors on the development of ARDS or progression from ARDS to death.

Other information

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