Effect of age on computed tomography findings: Specificity and sensitivity in coronavirus disease 2019 infection

Table 3 Frequency of findings according to age groups

Findings	Age group 1, %	Age group 2, %	Age group 3, %	P value
Lymphadenopathy	0	8.1	29.8	0.001
Pleurisy	0	2.2	20.8	0.002
Pericardial effusion	0	0.5	3.1	0.092
Pleural thickening	3.0	12.7	27.5	0.005
Peripheral location	36.4	61.5	65.1	0.04
Posterior location	59.1	67.1	74.6	0.09
Bilateral location	50.0	62.1	88.5	0.07
Ground glass	51.5	69.1	94.7	0.007
Consolidation	39.4	29.5	52.7	0.02
Air bronchogram	36.4	18.2	35.1	0.001
Vascular enlargement	30.3	38.2	59.5	0.03
Bronchial dilatation	30.3	36.7	53.4	0.005
Halo sign	24.2	26.8	24.2	0.055
Reverse halo sign	0	2.3	3.8	0.06
Nodularity	36.4	34.1	35.9	0.067
Air bubble	0	0	0.8	0.04
Subpleural band	12.1	21.8	42.8	0.002
Reticular density	0	9.1	18.3	0.001
Crazy paving appearance	3.0	4.1	13.0	0.02
Fibrosis	0	2.7	33.8	0.001