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Study characteristics

Country where the study was conducted

United States of America

Study type

Prospective cohort study

Data Source

Medical records

Size of study popopulation

5279

Study population description

5279 patients with laboratory confirmed severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2) infection between 1 March 2020 and 8 April 2020

Study population characteristics

The median age of the study population that tested positive for covid-19 was 54 years (interquartile range 38-66 years), and 2615 (49.5%) were men. A total of 1195 (22.6%) had diabetes, 1865 (35.3%) were obese (BMI ?30), and 2752 (52.1%) had any form of cardiovascular disease. 2741 (51.9%) required admission to hospital, 990/2741 (36.1%) experienced critical illness,

Follow up type

Median

Follow up

7 Day

Results

Outcome related to coronavirus

COVID-19 (severe/critical)

Number of cases

2741

Case definition

admission to hospital n= 2741 (51.9%), 990/2741 (36.1%) experienced critical illness

Associated factor category

Comorbidities

Associated factor name

Hypertension

Associated factor description

none

Risk reference category

Not present

Number of cases in the reference category

Total number of patients in the reference category

Risk comparison category

Present

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)

1.780 (1.490-2.120)

Significant preventive factor

Significant risk factor

Yes

Is the risk adjusted?

Yes

Risk adjustment description

Admission date, age, gender, race, smoking, BMI, Coronary artery disease, Heart failure, Hyperlipidemia, Hypertension, Diabetes, Asthma or chronic obstructive pulmonary disease, Chronic kidney disease, Cancer

Other information

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