Table 4. Comparison of CT scores of 10 parenchymal abnormalities between initial and follow-up CT in 40 patients with MAC lung disease.

	Initial	Follow-up	p-value
Bronchiectasis	3.46 ± 1.38	4.49 ± 1.27	<0.001
Severity	1.41 ± 0.56	1.81 ± 0.73	<0.001
Extent	1.74 ± 0.71	2.35 ± 0.62	<0.001
Mucous plugging	0.31 ± 0.60	0.33 ± 0.51	0.860
Cellular bronchiolitis	4.21 ±0.87	4.98 ±0.70	<0.001
Severity	2.03 ± 0.39	2.23 ± 0.47	0.008
Extent	2.19 ± 0.67	2.735± 0.42	<0.001
Cavity	0.99 ± 1.87	3.15 ± 2.61	<0.001
Diameter	0.26 ± 0.49	0.73 ± 0.63	<0.001
Extent	0.29 ± 0.57	0.99 ± 0.99	<0.001
Wall thickness	0.44 ± 0.84	1.44 ± 1.18	<0.001
Nodules, extent	0.05± 0.15	0.34± 0.41	<0.001
Consolidation extents	0.79± 0.66	1.44 ± 0.88	<0.001
Total score	9.50 ± 3.24	14.39± 3.57	<0.001

All numbers are expressed as mean ± standard deviation