Analysis of CT signs, radiomic features and clinical characteristics for delta variant COVID-19 patients with different vaccination status

Table 2 CT scores and chest CT imaging performance of patients under different COVID-19 vaccination status

	Unvaccinated group		Partially vaccinated group		Full vaccination group
CT score	n	(%)	n	(%)	n	(%)
0 (normal)	1	2.44	4	9.76	7	17.07
1–2 (minimal)	8	19.51	10	24.39	15	36.59
3–5 (mild)	10	24.39	18	43.90	12	29.27
6–10 (moderate)	19	46.34	7	17.07	6	14.63
11–20 (severe)	3	7.32	2	4.88	1	2.44
Affected lung
Right upper lobe	33	89.19	24	64.86	18	54.55
Right middle lung	30	81.08	26	70.27	12	36.36
Right lower lung	36	97.30	27	72.97	25	75.76
Left Upper lung	29	78.38	24	64.86	16	48.48
Left lower lung	34	91.89	30	81.08	19	57.58
All lobes affected	26	63.41	15	36.59	9	21.95
Distribution
Peripheral	20	54.05	23	62.16	19	57.58
Central	0	0	0	0	2	6.06
Peripheral and central	17	45.95	14	37.84	12	36.36
Opacity
Ground glass	16	43.24	19	51.35	17	51.52
Consolidation	3	8.11	0	0	3	9.09
Ground glass shadows with consolidation	18	48.65	18	48.65	13	39.39