Table 4.

The scores of the initial and the follow-up computed tomography (CT) according to treatment outcome in Mycobacterium abscessus complex lung disease

CT parameters /scores	TS group (n = 17)	TF group (n = 17)	p valve
Initial CT
Bronchiectasis (6 points)	2 (2–5)	5 (2.5–5)	0.076
Cellular bronchiolitis (6 points)	5 (3.5–6)	2 (3–5.5)	0.08
Cavitation diameter (3 points)	0 (0–0)	1 (0–1)	0.049
Cavitation extension (3 points)	0 (0–0)	1 (0–2)	0.041
Consolidation (3 points)	1 (1–2.5)	2 (1–2)	0.454
Nodular (3 points)	2 (1–2)	1 (0.5–2)	0.205
Total Score (24 points)	12 (8–14)	13 (10–16)	0.136
Follow-up CT at least 18 months
Bronchiectasis (6 points)	2 (2–5)	5 (3–5)	0.080
Cellular bronchiolitis (6 points)	5 (3–6)	5 (4–5)	0.831
Cavitation diameter (3 points)	0 (0–0.5)	1 (0–2)	0.049
Cavitation extension (3 points)	0 (0–0.5)	1 (0–2.5)	0.045
Consolidation (3 points)	1 (1–2)	2 (1.5–3)	0.022
Nodular (3 points)	1 (0–2)	1 (0.5–2)	0.843
Total score (24 points)	11 (8–12.5)	14 (10.5–19)	0.013
Changes between two scansa
Bronchiectasis (6 points)	0 (− 1–1)	1 (0–3)	0.496
Cellular bronchiolitis (6 points)	0 (− 1–0)	0 (0–5)	0.205
Cavitation diameter (3 points)	0 (0–0)	0.33 (0–1.05)	0.059
Cavitation extension (3 points)	0 (0–0)	0 (0–0)	0.633
Consolidation (3 points)	0 (− 5–0)	0 (0–1)	0.024
Nodular (3 points)	0 (− 1–0)	0 (− 5–1)	0.131
Total score (24 points)	0 (− 1–1)	1 (0.5–2.5)	0.049

Values are presented as median (IQR). Boldface indicates p values less than 0.05

Comparison between the two groups using Mann–Whitney U test

CT, computed tomography; TS, treatment success; TF, treatment failed

^aThe score difference is score in follow-up CT minuses that in initial CT