Participants
| Group | Total | Male | Female | Average age (range) |
|---|---|---|---|---|
| Adults with asthma or COPD | ||||
| African | 7 | 4 | 3 | 55.0 (34–66) |
| Bangladeshi | 5 | 0 | 5 | 34.8 (29–39) |
| Black British | 7 | 1 | 6 | 53.4 (39–63) |
| Indian or Pakistani | 5 | 1 | 4 | 52.6 (41–65) |
| White British | 5 | 2 | 3 | 55.4 (26–73) |
| Adults over 65 years | ||||
| Group 1 | 10 | 4 | 6 | 73.1 (65–85) |
| Group 2 | 11 | 1 | 10 | 69.9 (66–78) |
| Healthy adults under 65 years | ||||
| Group 1 | 4 | 2 | 2 | 35.0 (29–40) |
| Group 2 | 5 | 3 | 2 | 48.4 (25–60) |
| Total | 58 | 18 | 40 | 57.8 (25–85) |
COPD, chronic obstructive pulmonary disease.