Table 2. Demographic characteristics of the asthma population.
| Demographic characteristic |
ELLIPTA vs |
|||
|---|---|---|---|---|
| Substudy 1 DISKUS (N=70) | Substudy 2 MDI (N=32) | Substudy 3 Turbuhaler (N=60) | Total (N=162) | |
|
Age (years) | ||||
| Mean (s.d.) | 48.6 (17.8) | 41.6 (16.4) | 46.1 (18.5) | 48.6 (17.8) |
|
Sex,n (%) | ||||
| Male | 33 (47) | 15 (47) | 20 (33) | 68 (42) |
|
Race,n (%) | ||||
| White | 69 (99) | 32 (100) | 59 (98) | 160 (99) |
| Asian | 1 (<1) | 0 | 0 | 1 (<1) |
|
Body mass index (kg/m2) | ||||
| Mean | 27.2 | 27.5 | 27.9 | 27.5 |
| (s.d.) | 5.1 | 5.7 | 6.1 | 5.6 |
|
Asthma history,n (%) | ||||
| <1 year | 0 | 2 (6) | 1 (2) | 3 (1) |
| ⩾1 to <5 years | 11 (16) | 6 (19) | 15 (25) | 32 (20) |
| ⩾5 to <15 years | 19 (27) | 14 (44) | 15 (25) | 48 (30) |
| ⩾15 years | 40 (57) | 10 (32) | 29 (48) | 79 (49) |
Abbreviation: MDI, metered-dose inhaler.