Evaluation of Follow-Up CT Scans in Patients with Severe Initial Pulmonary Involvement by COVID-19

Table 2

Radiologic findings in all patients and differences between the two groups.

Variables	Patients	Complete resolution	With residual findings	P‐value
	N = 50	N = 42	N = 8
PI scores
Total GGO score	8.5 (4.6)	8.4 (4.2)	9.7 (6.5)	0.48
Total consolidation score	3.5 (3.9)	3.2 (3.5)	5.1 (5.8)	0.41
Total PI score	10.8 (4.3)	10.2 (3.7)	14.5 (6.5)	0.02
PI density index	3.1 (0.7)	3.1 (0.7)	3.5 (0.7)	0.14
Predominant pattern
GGO	40 (80)	33 (78.6)	7 (87.5)	0.56
Consolidation	10 (20)	9 (21.4)	1 (12.5)
Dominant distribution of lesions
Peripheral	26 (52)	23 (54.8)	3 (37.5)	0.61
Axial	22 (44)	17 (40.5)	5 (62.5)
Diffuse	2 (4)	2 (4.8)	0 (0)
Involved lobes	3.6 (1.4)	3.4 (1.4)	4.1 (1.3)	0.22
Additional findings
Cardiomegaly	19 (38)	15 (35.7)	4 (50)	0.69
Pleural effusion	6 (12)	6 (14.3)	0 (0)	0.25
Subsegmental atelectasis	29 (58)	26 (61.9)	3 (37.5)	0.20
Parenchymal band	21 (42)	17 (40.5)	4 (50)	0.62
Crazy paving	14 (28)	11 (26.6)	3 (37.5)	0.51
Reverse halo	6 (12)	5 (11.9)	1 (16)	0.96

mean (standard deviation); all other variables were reported as N (%). PI = pulmonary involvement; GGO = ground-glass opacity.