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Table 2 Comparative chest CT findings of non-tuberculous mycobacterial lung diseases and pulmonary tuberculosis

From: Comparative chest computed tomography findings of non-tuberculous mycobacterial lung diseases and pulmonary tuberculosis in patients with acid fast bacilli smear-positive sputum

  Pulmonary tuberculosis n = 75 NTM lung diseases n = 20 Pvalue
Chest CT findings   
Pleural effusion 29 (38.7) 3 (15.0) 0.047
Cavities 23 (31.1) 1 (5.0) 0.018
Atelectasis 41 (54.7) 12 (60.0) 0.670
Consolidation 41 (54.7) 9 (45.0) 0.442
Random nodules 57 (76.0) 5 (25.0) <0.001
Interlobular septal thickening 67 (89.3) 17 (85.0) 0.694
Bronchiectasis 10 (13.3) 4 (20.0) 0.484
Lung volume reduction 7 (9.3) 4 (20.0) 0.236
Tree-in-bud pattern 61 (81.3) 11 (55.0) 0.021
Lymphadenopathy 18 (24.0) 1 (5.0) 0.066
Calcified lymph nodes 5 (6.7) 0 (0.0) 0.580
Bronchiectasis and cystic changes 3 (4.0) 4 (20.0) 0.034
  1. Numbers in parentheses are percentages. NTM = non-tuberculous mycobacterium.
  2. CT = computed tomography.