Chinese University of Hong Kong Researchers Compare SARS-CoV-2 & SARS & the Results may Surprise


Researchers from the Chinese University of Hong Kong compared case fatality ratios (CFR) and predictors of COVID-19 and SARS patients using a territory-wide cohort in Hong Kong. They sought to aid health professionals understand the comparisons and contrasts between the novel coronavirus (COVID-19) and severe acute respiratory syndrome (SARS)—two infectious diseases caused by the coronaviruses—SARS-CoV-2 and SARS-CoV respectively.

The Study

The Hong Kong-based researchers used data from the Clinical Data Analysis and Reporting System (CDAS) under the management of the Hospital Authority of Hong Kong. By making use of ICD-9-CM diagnosis codes and/or virological results, the team sought to identify laboratory-confirmed cases of COVID-19 and SARSs with a primary endpoint of Intensive Care Unit (ICU) admission, use of invasive mechanical ventilation, and/or death.

Key Data

Of the 114 COVID-19 patients (mean age 57.3 years, 50.0% male) identified for purposes of this study—diagnosed from January 8 to March 20, 2020 while they reviewed 1,670 SARS patients (mean age 44.4 years, 44.0% male) in March to June 2003.

COVID-19 (Jan 22 to March 8, 2020)

The study data reveals ...

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