Table 1.
Patient demographics
|
Asthma population |
COPD population |
|
|---|---|---|
| (n = 33) | (n = 42) | |
| Age, years |
41 |
61 |
| Duration of disease, years |
22.1 |
7.1 |
| Self-reported disease severity, 1–10 scale* |
5.0 |
5.6 |
|
Current inhaler
†
| ||
| DISKUS only, n |
21 |
11 |
| HandiHaler and DISKUS, n |
N/A |
10 |
| HandiHaler only, n |
N/A |
10 |
| MDI/HFA, n |
10 |
11 |
| DPI (other than DISKUS), n | 2 | N/A |
All data are mean values unless otherwise stated.
*Qualitative scale: 1 = least severe, 10 = most severe.
†Inhaler used to deliver maintenance therapy.
COPD = chronic obstructive pulmonary disorder; DPI = dry powder inhaler; HFA = hydrofluoroalkane (propellant); MDI = metered dose inhaler.