| Emphysema | Controls |
---|---|---|
Number of subjects | 106 | 137 |
Male/Female | 102/4 | 133/4 |
Age (years) | 71.3 ± 6.8†| 63.2 ± 10.0 |
Smoking history (pack-years) | 63.3 ± 28.1†| 39.6 ± 18.7 |
FEV1 (liter) | 1.47 ± 0.66†| 2.64 ± 0.51 |
FEV1 (% pred) | 54.7 ± 22.8†| 88.8 ± 13.1 |
FEV1/FVC (%) | 48.4 ± 11.2†| 80.3 ± 5.7 |