Vaccination status and outcomes of COVID-19 patients admitted to a tertiary hospital in Iran during the dominant Delta variant period.

Background: This study aimed to determine the characteristics, vaccination status, and outcomes of confidence interval (COVID-19) patients, admitted to a tertiary hospital in Iran during the predominant severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) Delta variant period.

Methods: This retrospective study assessed the medical records of all hospitalized COVID-19 patients, who were admitted to a tertiary hospital from July 10 to September 15, 2021. Adjusted binary logistic regression analyses were conducted to determine factors associated with poor outcomes.