Table 2.
Demographics and baseline PFTs
| All | Case | Control | p value | |
|---|---|---|---|---|
| No. | 42 | 14 | 28 | |
| Male, No. (%) | 27 (64%) | 9 (64%) | 18 (64%) | 1.0000 |
| Ever Smoking, No. (%) | 25 (60%) | 8 (57%) | 17 (61%) | 0.8241 |
| GER, No. (%) | 21 (50%) | 7 (50%) | 14 (50%) | 1.0000 |
| Exacerbation, No. (%) | 17 (40%) | 6 (43%) | 11(39%) | 0.8241 |
| Age, Yrs (mean±sd) | 69 ± 7 | 69 ± 8 | 69 ± 7 | 0.9300 |
| Pack Years, Yrs (mean±sd) | 17 ± 18 | 16 ± 18 | 17 ± 19 | 0.8497 |
| FEV1 Liters (mean±sd) | 2.07 ± 0.69 | 1.88 ± 0.68 | 2.17 ± 0.68 | 0.2119 |
| FEV1 %Pred (mean±sd) | 74 ± 23 | 60 ± 28 | 81 ± 16 | 0.0152 |
| FVC Liters (mean±sd) | 2.45 ± 0.82 | 2.17 ± 0.79 | 2.58 ± 0.81 | 0.1272 |
| FVC %Pred (mean±sd) | 64 ± 17 | 56 ± 19 | 68 ± 14 | 0.0217 |
| DLCO mL/min/mmHg (mean±sd) | 11.54 ± 6.17 | 11.47 ± 6.27 | 11.56 ± 6.27 | 0.9668 |
| DLCO, %Pred (mean±sd) | 44 ± 20 | 43 ± 21 | 45 ± 19 | 0.7590 |
| Alveolar | 1.42 ± 1.08 | 1.76 ± 1.19 | 1.26 ± 1.00 | 0.160 |
| Interstitial | 1.23 ± 0.69 | 1.26 ± 0.94 | 1.21 ± 0.54 | 0.851 |