Table 2.
Demographic and baseline characteristics of patients
| Demographic characteristic | Number (%) of patients N = 862 | |
|---|---|---|
| Sex |
Male |
407 (47.2) |
| |
Female |
455 (52.8) |
| Age (years) |
n |
862 |
| |
Mean (SD) |
44.7 (13.7) |
| |
Range |
18 - 81 |
| Race |
Asian |
862 (100.0) |
| BMI (kg/m**2) |
n |
862 |
| |
Mean (SD) |
24.36 (4.10) |
| |
Range |
14.2 - 47.5 |
| Time since diagnosis (years) |
n |
862 |
| |
Mean (SD) |
10.73 (12.03) |
| |
Range |
0.1 - 60.0 |
| Smoking |
Non smoker |
744 (86.3) |
| |
Ex-smoker |
84 (9.7) |
| |
Occasional smoker |
18 (2.1) |
| |
Habitual smoker |
16 (1.9) |
| Pack-years |
n |
116 |
| |
Mean (SD) |
4.8 (2.9) |
| |
Range |
0 - 15 |
| Inhaled GCS at entry |
No |
143 (16.6) |
| |
Yes |
719 (83.4) |
| Inhaled GCS at entry: dose (ug/day) |
n |
317 |
| |
Mean (SD) |
557.8 (321.5) |
| |
Range |
50 - 1600 |
| FEV1 (L) |
n |
862 |
| |
Mean (SD) |
2.063 (0.709) |
| |
Range |
0.69 - 4.63 |
| FEV1% of predicted normal * |
n |
862 |
| |
Mean (SD) |
70.38 (17.37) |
| |
Range |
22.4 - 124.3 |
| FEV1% Reversibility |
n |
862 |
| |
Mean (SD) |
26.50 (15.15) |
| Range | 9.8 - 139.5 |
a FAS: All enrolled subjects except for screening failure.
* Predicted normal FEV1 value (post-bronchodilator) was calculated according to ERS [22].