Distribution of genotypes in COPD and control subjects
| Leu-Leu | Leu-Pro | Pro-Pro | |
|---|---|---|---|
| COPD patients (n = 165) | 69 (41.6%) | 83 (50.0%) | 13 (8.4%) |
| Blood donors (n = 140) | 41 (29.3%) | 73 (52.1%) | 26 (18.6%) |
| Resistant smokers (n = 76) | 22 (28.9%) | 39 (51.3%) | 15 (19.7%) |