Table 2.

Radiological features by chest CT findings.

Variables	Number (%)
Tomographic features
Ground-glass opacity	88 (96)
Mixed lesion with GGO and lobular shadow	27 (29)
Peripheral distribution	76 (83)
Diffuse	60 (65)
Airspace consolidation	11 (12)
Nodule	2 (2)
Patchy shadow	11 (12)
Cavity	1 (1)
Tree-in bud appearance	0
Mass lesion	0
Bilateral	78 (85)
Unilateral	14 (15)
∗Timepoint CT scan after onset of the symptoms and signs (mean days±SD)	6.1 ± 3.5

CT, computed tomography; GGO, ground-glass opacity; SD, standard deviation.

There was no correlation between the date after onset and any tomographic features. We could not find the correlation between underlying disease and tomographic features.

As for the correlation between radiological features and outcome, diffuse pattern is more frequently seen in death group than survival group even though there was no statistical difference (100% v.s. 56%, p = 0.082). Other patterns of CT scan.

^∗Timing CT scan after onset of the symptoms and signs were analyzed in 84 patients due to missing information.