This is a retrospective and observational study on 1511 patients with SARS-CoV-2, who
were diagnosed with COVID-19 by real-time PCR testing and hospitalized due to COVID-19 …

Background Identification of patients on admission to hospital with coronavirus infectious
disease 2019 (COVID-19) pneumonia who can develop poor outcomes has not yet been …

Rapidly progressing hypoxemia and acute respiratory distress syndrome were commonly
observed in patients with severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) …

Background The unprecedented COVID‐19 pandemic has put a serious burden on the
healthcare system worldwide. Due to varied manifestations of SARS‐CoV‐2 infection, many …

Abstract Background Critically-ill Covid-19 patients require extensive resources which can
overburden a healthcare system already under strain due to a pandemic. A good disease …

Background The Pneumonia Score Index (PSI) was developed to estimate the risk of dying
within 30 days of presentation for community-acquired pneumonia patients and is a strong …

Methods: This prognostic accuracy study was performed on 225 ICU-admitted patients with
a definitive diagnosis of COVID-19 from July to December 2021 in Tehran, Iran. The patients' …

Background: The aim was to explore a novel risk score to predict mortality in hospitalized
patients with COVID-19 pneumonia. Methods: This was a retrospective, multicenter study …

Background: This study aimed to investigate CURB-65, quick COVID-19 Severity Index
(qCSI) and quick Sepsis Related Organ Failure Assessment (qSOFA) scores in predicting …

The aim of our study is to evaluate the accuracy of CURB-65 and Pneumonia Severity Index
(PSI), the most widely used scores for community acquired pneumonia, and MuLBSTA, a …