| Controls | COPD | P value |
---|---|---|---|
Gender M:F | 2:6 | 9:7 | Â |
Age - median (range) | 63.5 (56-78) | 65.5 (49-78) | 0.779 |
Smoking history (pack years) | Â | Â | Â |
Median (range) | 50.0 (2-110) | 51.5 (5-180) | 0.625 |
FEV1 (% predicted) | Â | Â | Â |
Median (range) | 88.0 (78-107) | 43.5 (27-75) | <0.001 |
FEV1/FVC - Median | 101.5 | 59.7 | <0.001 |
DLCO (% predicted) | Â | Â | Â |
Median (range) | 62.0 (34-122) | 54.0 (27-99) | 0.416 |