Published: 31 March 2022| Version 1 | DOI: 10.17632/sxvvyzzd6t.1
Leopoldo Muniz da Silva


DATABASE - This was a longitudinal retrospective cohort study of patients ≥20 years-old who were hospitalised due to COVID-19 in 52 hospitals comprising a private Brazilian healthcare network (Rede D’Or São Luiz). Participating institutions were tertiary hospitals distributed across four (Northeast, Central-West, Southeast, and South) of Brazil’s five macro-regions. Data were extracted from the institutional central database comprised of COVID-19 diagnoses and related deaths (both of which are of compulsory notification to the BMH). Participating hospitals utilized a standardized data collection model including weekly reporting to the BMH. The study period included the first 13 months of the pandemic, i.e., from March 1st, 2020 to March 31st, 2021. All patients hospitalised due to COVID-19 (as the primary diagnosis upon admission) who were either discharged or died were included