From: Oxidative stress enhances the expression of IL-33 in human airway epithelial cells
 | Healthy subjects | COPD |
---|---|---|
Number | 5 | 6 |
Male/Female | 1/4 | 5/1 |
Age (years) | 68.0 ± 3.4 | 68.0 ± 3.8 |
Ex-smoker/current smoker | 0/0 | 6/0 |
Pack years | N/A | 45.6 ± 8.5** |
Lung function | ||
 FEV1/FVC (%) | 86.8 ± 3.3 | 62.7 ± 3.0*** |
 FEV1% of predicted (%) | 108 ± 6.7 | 75.5 ± 6.7** |
 DLCO/VA (%) | 114 ± 4.2 | 85.2 ± 3.7*** |