COPD, chronic obstructive pulmonary disease; IQR, interquartile range; PSI, pneumonia severity index. 1Data available only for 345 patients. 2Data available for 740 patients. 3Patients were stratified
Background: COVID-19 has been quickly spreading, making it a serious public health threat. It is important to identify phenotypes to predict the severity of disease and design an individualized treatm
