COPD (n=204) | Controls (n=65) | χ2 p value | |
GG (wild type) | 169 (83%) | 56 (86%) | 0.35 |
GA | 33 (16%) | 8 (12%) | |
AA | 2 (1%) | 1 (2%) | |
HWE p value | 0.78 | 0.28 |
COPD frequent exacerbators (n=69) | COPD infrequent exacerbators (n=135) | χ2 p value | |
GG (wild type) | 59 (86%) | 110 (82%) | 0.32 |
GA | 9 (15%) | 24 (18%) | |
AA | 1 (2%) | 1 (1%) | |
HWE p value | 0.36 | 0.80 |
COPD, chronic obstructive pulmonary disease; HWE, Hardy–Weinberg equilibrium.