Fig. 2

Chest CT scores of patients. a, Location of lung pathologies in the five levels of right and left (1: suprasternal notch; 2: aortic arch; 3: tracheal carina; 4: intermediate bronchus; 5: apex of diaphragm). The Kruskall-Wallis test indicated no significant differences (P > 0.05). b, Sum of the scores of the left and right lungs at 5 levels. The horizontal bars indicate medians and group comparisons using a t–test indicated significant differences