Clustered Cystic Changes in Long-Term Follow-Up Thin-Section Computed Tomographic Findings in Fibrotic Nonspecific Interstitial Pneumonia

Table 2

Computed tomography findings in initial and last scans in patients with fibrotic NSIP (n = 58).

CT findings	Initial CT scan	Last CT scan	value
Overall extent	16.4 ± 10.5	20.4 ± 23.1	0.288
GGO extent	11.9 ± 8.5	12.7 ± 17.7	0.777
Reticulation extent	7.0 ± 6.9	10.2 ± 10.7	0.090
Traction bronchiectasis score^✝	4.4 ± 3.9	7.2 ± 5.1	0.001
Consolidation	2.3 ± 3.5	0.4 ± 1.2	0.001
Clustered cysts or honeycombing	3 (5)	6 (28)	0.018
Clustered cysts or honeycombing extent	0.1 ± 0.5	2.0 ± 5.3	0.024

Data are mean percentage of lung parenchyma ± standard deviation. ^✝Data are mean score ± standard deviation. Data are numbers of patients, with percentages in parentheses.