From: Airway wall thickness is increased in COPD patients with bronchodilator responsiveness
GOLD | Variable | BDR-(10%) | BDR + (10%) | p |
---|---|---|---|---|
1 | n = 519 | n = 143 | ||
Pi10 | 3.62 ± 0.10 | 3.64 ± 0.12 | .016 | |
Pi15 | 5.08 ± 0.15 | 5.14 ± 0.19 | <.0001 | |
WA%, Seg | 60.04 ± 2.66 | 61.32 ± 2.99 | <.0001 | |
2 | n = 1029 | n = 564 | ||
Pi10 | 3.68 ± 0.12 | 3.71 ± 0.15 | <.0001 | |
Pi15 | 5.19 ± 0.21 | 5.23 ± 0.21 | <.0001 | |
WA%, Seg | 62.06 ± 3.01 | 62.90 ± 2.90 | <.0001 | |
3 | n = 501 | n = 425 | ||
Pi10 | 3.74 ± 0.14 | 3.75 ± 0.15 | .289 | |
Pi15 | 5.22 ± 0.22 | 5.27 ± 0.21 | .001 | |
WA%, Seg | 63.04 ± 3.02 | 63.64 ± 2.81 | .002 | |
4 | n = 506 | n = 174 | ||
Pi10 | 3.75 ± 0.14 | 3.78 ± 0.13 | .031 | |
Pi15 | 5.19 ± 0.20 | 5.24 ± 0.21 | .004 | |
WA%, Seg | 63.20 ± 3.01 | 64.02 ± 2.60 | .003 |