Cases | Controls | |||
---|---|---|---|---|
N= | 93 | 269 | ||
Age (years) | 61.4 | ±7.7 | 48.9 | ± 6.4 |
FEV1/FVC Ratio | 0.434 | ± 0.123 | 0.799 | ± 0.053 |
FEV1 percent predicted | 36.8 | ± 15.4 | 89.9 | ± 12.5 |
FVC percent predicted | 67.5 | ± 22.4 | 90.7 | ± 12.3 |
Gender (% male) | 50 | 53.8 | 195 | 72.5 |
Pack-Years of Smoking | 42.2 | ± 22.1 | 39.2 | ± 20.5 |