Table 2.

Pulmonary nodules in children on chest CT by age

Age (y)	n	Number of patients with nodule(s)	Number of nodules	Maximum number of nodules per patient	Mean size (range), mm	Calcified nodules	Perifissural nodules
1	3	2	3	2	3.3 (3–4)	0	2
2	5	0	0	0
3	8	4	12	5	3.3 (2–6)	0	0
4	3	0	0	0
5	5	1	1	1	3.0	0	6
6	6	1	1	1	4.0	0	1
7	3	2	2	1	2.0	1	1
8	14	5	12	4	2.9 (2–4)	0	10
9	4	2	4	3	3.5 (2–6)	0	3
10	3	1	3	3	3.3 (3–4)	0	3
11	7	4	8	2	3.3 (2–5)	0	6
12	11	5	13	5	3.2 (2–5)	3	7
Total	72	27 (38%a)	59	5	3.2 (2–6)	4 (7%)	39 (66%)

^a95% confidence interval 26–49%