Table 2.

Chest CT imaging performance of patients with COVID-19 by the first-time examination

CT image	2021 (n = 34)		2020 (n = 10)
	n	(%)	n	(%)
Distribution in lobes
Right upper lobe	5	14.7	1	10
Right middle lung	7	20.6	1	10
Right lower lung	20	58.9	8	80
Left Upper lung	3	8.9	0	0
Left lower lung	18	52.9	7	70
Lobes involved
One lobe	18	52.9	1	10
Two lobes	11	32.3	5	50
Three lobes	3	8.8	2	20
Four lobes	1	2.9	0	0
Five lobes	0	0	0	0
Only the right lung	14	41.2	1	10
Only the left lung	6	17.6	0	0
Both lungs	14	41.7	9	90
Distribution in the lungs
Peripheral	21	61.7	3	30
Central	5	14.7	1	10
Peripheral and central	7	20.6	1	10
Imaging presentations
Ground glass shadows	23	67.6	5	50
Patchy high-density shadow	2	5.9	8	80
Consolidation	1	2.9	6	60
Nodules	13	38.2	0	0
Fiber streaks	2	5.9	0	0
Bronchial inflation sign	0	0	1	10
Imaging presentations outside the lung
Hilar lymph nodes	2	5.9	0	0
Pleural effusion	0	0	0	0
Pericardial effusion	1	2.9	0	0
Emphysema	0	0	1	10