Fig. 3From: Cell-free DNA methylation reveals cell-specific tissue injury and correlates with disease severity and patient outcomes in COVID-19Comparison of cfDNA derived from different pulmonary cell types among three cohorts (A: lung; B: alveolar epithelial cells; C: bronchial epithelial cells; D: lung endothelial cells) and the receiver operating characteristic curves using tissue fractions to classify severe and non-hospitalized COVID-19 patients (E: lung tissue; F: alveolar epithelial cells; G: bronchial epithelial cells; H: lung endothelial cells)Back to article page