TABLE 1.
Subject characteristics.
| n | COPD | Non‐COPD | p |
|---|---|---|---|
| 23 | 11 | ||
| Demography and clinical characteristics | |||
| Age (years) | 66.7 ± 2.33 | 66.82 ± 2.11 | 0.974 |
| Sex—F/M | 5/18 | 1/10 | 0.380 |
| BMI (kg/m2) | 24.26 ± 0.90 | 26.03 ± 1.63 | 0.315 |
| Smokers/ex‐smokers | 9/14 | 5/6 | 0.736 |
| Pack‐years | 45.09 [20–74] | 39.18 [7–90] | 0.423 |
| Functional and biological characteristics | |||
| FEV1 (% predicted) | 76.96 ± 3.32 | 101.5 ± 3.93 | 0.0001 ** |
| FEV1/FVC | 60.48 ± 1.25 | 78.18 ± 1.09 | 2.4×10–10 ** |
Note: Values are means ± standard deviation, medians [interquartile ranges] or absolute numbers (percentages). Percentages given are derived from those subjects with valid data. p is in bold when it is < 0.05.
**
p < 0.001.