Alliance for Pandemic Preparedness

August 5, 2020

Characteristics of 24516 Patients Diagnosed with COVID-19 Illness in a National Clinical Research Network Results from PCORnet

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  • [pre-print, not peer reviewed] An analysis of data from 36 large healthcare systems in 29 U.S. states found a total of 24,516 patients across healthcare settings were diagnosedwith COVID-19 between January 1, 2020, and May 18, 2020. In the same time period, 79,639 were diagnosed with viral pneumonia and 163,984 were diagnosed with influenza.  
  • Comorbidities were common among COVID-19 patients, including hypertension (32%), arrhythmias (20%) and pulmonary disease (19%). Hydroxychloroquine was used in treatment for 33%, azithromycin for 25%, and tocilizumab for 11% of COVID-19 patients on mechanical ventilators. 
  • Cross-sectional data were collected from 36 large healthcare systems in 29 U.S. states, participating in PCORnet, the National Patient-Centered Clinical Research Network.  

Block et al. (Aug 4, 2020). Characteristics of 24516 Patients Diagnosed with COVID-19 Illness in a National Clinical Research Network Results from PCORnet.  Pre-print downloaded on August 5 from https://doi.org/10.1101/2020.08.01.20163733