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