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Table 2 Radiographic findings on chest Computed Tomography and Positron-Emission-Tomography

From: Clinical and radiographic differentiation of lung nodules caused by mycobacteria and lung cancer: a case–control study

Finding Category Mycobacterial lung disease (52) Lung cancer (139) P-value
Multiple lobes affected No 40 (76.9) 121 (87.1) 0.12
  Yes 12 (23.1) 18 (12.9)  
Number of lobes affecteda Two 6 (50.0) 14 (77.8) 0.001
  Three 0 4 (22.2)  
  Four 5 (41.7) 0  
  Five 1 (8.3) 0  
Localization of dominating lesionb Left lower lobe 6 (15.0) 11 (9.1)  
  Left upper lobe 8 (20.0) 30 (24.8)  
  Right lower lobe 3 (7.5) 25 (20.7)  
  Right middle lobe 5 (12.5) 8 (6.6)  
  Right upper lobe 18 (45.0) 47 (38.8)  
Size of Dominating lesion Maximum length in mm (Median, IQR) 20 (14–26) 30 (19–49) 0.0005
Lesion type Nodule 43 (82.7) 67 (48.2) <0.0001
  Mass 9 (17.3) 72 (51.8)  
Positron-Emission-Tomography findings
Examined variable Category Mycobacterial Lung Disease (52) Lung Cancer (139) P-value
PET available Yes 43 (82.7) 137 (98.6)  
  No 9 (17.3) 2 (1.4)  
Hypermetabolic lesion Yes 42 (97.7) 125 (92.6)  
  No 1 (2.3) 10 (7.4)  
  Result not available 0 2  
SUV Max Median (IQR) 6.5 (4.0–8.7) 9.5 (4.9–14.5) 0.001
Lung parenchyma and thoracic structures
  Total findings    
Bronchiectasis 22 (11.5) 13 (25.0) 9 (6.5) 0.001
Intrathoracic lymphadenopathy 64 (33.5) 8 (15.4) 56 (40.3) 0.001
Cavitary lesion 19 (9.9) 7 (13.5) 12 (8.6) 0.41
Atelectasis 31 (16.2) 4 (7.7) 27 (19.4) 0.08
Emphysematous lung 59 (30.9) 9 (17.3) 50 (36.0) 0.01
Perilesional ground glass 21 (11) 3 (5.8) 18 (12.9) 0.20
Spiculated lesion 44 (23) 15 (28.8) 29 (20.9) 0.25
Tree-in-bud opacities 9 (4.7) 9 (17.3) 0 <0.0001
Pleural effusion 15 (7.9) 1 (1.9) 14 (10.1) 0.07
  1. Data are presented as No. (%) unless otherwise specified. Abbreviations: SUV Max Maximum Standardized Uptake Value, PET Positron-Emission Tomography
  2. aIn patients with multiple lobes affected
  3. bIn patients with a single lobe affected