COPD GOLD Stage (number of patients)
Stage 2 (n: 48)
Stage 3 (n: 34)
P value
Mean visual emphysema score
1.5 (1.2)
2,9 (1.1)
P<0.0001
Body mass index, kg/m
2
28.7 (5.3)
24.4(4.6)
P<0.0001
Table 2:
GOLD stages of COPD and visual emphysema score
