Table 3.

Overview of CT findings of lung involvement in both groups

Chest lesion	All patients (n=201)	Symptomatic group (n=136)		Asymptomatic group (n=65)		P
		Positive	Negative	Positive	Negative
<1 month	7/201 (3.5%)	4/136 (2.9%)	2/136 (1.5%)	0/65 (0%)	1/65 (1.5%)
1 month–1 year	34/201 (16.9%)	28/136 (20.6%)	4/136 (3.0%)	1/65 (1.5%)	1/65 (1.5%)
1–3 years	22/201 (10.9%)	10/136 (7.4%)	6/136 (4.4%)	2/65 (3.1%)	4/65 (6.2%)
3–6 years	27/201 (13.4%)	13/136 (9.6%)	9/136 (6.6%)	1/65 (1.5%)	4/65 (6.2%)
6–12 years	76/201 (37.8%)	28/136 (20.6%)	12/136 (8.8%)	14/65 (21.5%)	22/65 (33.8%)	0.006
≥12 years	35/201 (17.4%)	15/136 (11.0%)	5/136 (3.7%)	3/65 (4.6%)	12/65 (18.5%)	0.001

Any chest CT finding = positive, no CT finding = negative