The Importance of Radiological Patterns and Small Airway Disease in Long-Term Follow-Up of Postacute COVID-19: A Preliminary Study

Table 1

Correlation of several variables with the extent of CT impairment.

Variable	Extent of CT impairment				-value
	Moderate/severe		Normal/mild
	n	%	n	%
Age (median)
<62 years	5	38.5	9	56.3	0.34
≥62 years	8	61.5	7	43.8
Gender
Masculine	6	46.2	4	25.0	0.21
Feminine	7	53.8	12	75.0
Skin color
White	5	38.5	6	37.5	0.63
Brown/black	8	61.5	10	62.5
Disease severity (acute phase)
Mild	2	15.4	6	37.5	0.49
Moderate	8	61.5	7	43.8
Severe	3	23.1	3	18.8
Hospitalization
Yes	10	76.9	8	50.0	0.13
No	3	23.1	8	50.0
Comorbidities
Yes	9	69.2	14	87.5	0.23
No	4	30.8	2	12.5
CXR impairment extent
Moderate/severe	12	92.3	6	37.5	0.003
Normal/mild	1	7.7	10	62.5
Spirometry
Normal	4	30.8	12	75.0	0.017
Restrictive/obstructive	9	69.2	4	25.0

Chi-square or Fischer’s exact test. CT = computed tomography; CXR = chest radiograph.