Methods
DISEASE, SECONDARY
In this retrospective cohort study, the authors used Electronic Health Records (EHR) from COVID-19-related admissions to the largest referral hospital for the disease in Sao Paulo, Brazil. The authors developed a prediction score for intensive care admission and hospital mortality using demographics and baseline clinical variables.Hospital das Clinicas, University of Sao Paulo Medical School (HCFMUSP), is a renowned 2,200-bed teaching hospital complex that specializes in providing high-level medical and surgical care. Between March 2020 and September 2020, its 900-bed central building was designated by the Sao Paulo State's Health Department to operate as a special COVID-19 treatment center, receiving SARS-CoV-2-infected patients from 278 secondary hospitals located in 85 cities, mainly in the Sao Paulo metropolitan area. Additionally, its intensive care capacity was increased four-fold with the conversion of regular wards to ICUs, totaling 300 ICU beds. Throughout the pandemic, COVID-19 care followed institutional protocols in our hospital.