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The COVID-19 pneumonia lesions included ground-glass opacity (GGO), consolidation (CO), and nodular opacities were identified and measured by AI and radiologists. The differences in the ratio of total lesion volume to total lung volume in computed tomography at admission (not significant) and 1–2 weeks later (P = 0.04) were compared between the iVD (A) and sVD (B) groups.
