Objective To review and appraise the validity and usefulness of published and preprint
reports of prediction models for prognosis of patients with covid-19, and for detecting people …

Background Radiologic lung sequelae may explain the persistence of respiratory symptoms
in post–coronavirus disease (post–COVID-19) condition (long COVID). Purpose To perform …

Background Emergence of variants with specific mutations in key epitopes in the spike
protein of SARS-CoV-2 raises concerns pertinent to mass vaccination campaigns and use of …

Background This study sought to establish the long-term effects of Covid-19 following
hospitalisation. Methods 327 hospitalised participants, with SARS-CoV-2 infection were …

Low blood oxygen—technically, hypoxaemia but usually referred to as hypoxia—can be
defined as a measured oxygen saturation below 94% in the absence (or below 88% in the …

Most clinical specialties have a plethora of studies that develop or validate one or more
prediction models, for example, to inform diagnosis or prognosis. Having many prediction …

The COVID-19 pandemic strained health-care systems throughout the world. For some,
available medical resources could not meet the increased demand and rationing was …

Background Radiographic severity may help predict patient deterioration and outcomes from
COVID-19 pneumonia. Purpose To assess the reliability and reproducibility of three chest …

Abstract The International Severe Acute Respiratory and Emerging Infection Consortium
(ISARIC) COVID-19 dataset is one of the largest international databases of prospectively …

Background Longitudinal cohort data of patients with tuberculosis (TB) and coronavirus
disease 2019 (COVID-19) are lacking. In our global study, we describe long-term outcomes …