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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.