Table 1.
Baseline demographic and clinical characteristics of study subjects.
| Healthy control | BE | COPD | ILD | |
|---|---|---|---|---|
| N subjects | 6 | 13 | 21 | 45 |
| Age (years) | 45.3 ± 10.76 | 42.6 ± 9.22 | 60.1 ± 9.92 | 58.3 ± 9.74 |
| Male/female | 3/3 | 5/8 | 20/1 | 34/11 |
| Body mass index | 22.6 ± 4.08 | 21.7 ± 3.57 | 21.5 ± 3.16 | 24.4 ± 4.25 |
| Disease duration (years) | NA | 12.0 ± 7.85 | 11.4 ± 9.64 | 4.6 ± 5.20a |
| FEV1% of predicted value | NA | 50.3 ± 21.38 | 33.5 ± 17.62 | 60.0 ± 20.32a |
| FEV1% of FVC2 | NA | 65.8 ± 16.09 | 43.3 ± 9.52 | 86.0 ± 12.39a |
| FVC% of predicted value | NA | 66.8 ± 20.35 | 57.9 ± 17.87 | 59.4 ± 21.84a |
| DLCO% of predicted value | NA | 68.8 ± 19.93 | 38.2 ± 17.67 | 39.7 ± 19.51b |
| 6-minute walk (meters) | NA | 362.1 ± 119.5 | 406.5 ± 112.4 | 367.2 ± 121.1c |
| SGRQ | NA | 44.3 ± 27.94 | 45.7 ± 15.19 | 55.5 ± 23.38c |
aData from 37 patients were collected. bData from 29 patients were collected. cData from 33 patients were collected.