Characteristics of all enrolled patients (including participants who later withdrew consent)
| Participants (N=22) | |
| Average age (SD) | 67.27 (8.21) |
| Sex, male, n (%) | 18 (82) |
| Ethnicity (white British), n (%) | 22 (100) |
| Index of Multiple Deprivation (deciles) | |
| 1 | 2 |
| 2 | 3 |
| 3 | 3 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 2 |
| 8 | 1 |
| 9 | 3 |
| 10 | 3 |
| BMI, median (SD) | 29.08 (5.60) |
| Smoking status | |
| Never | 6 |
| Ex-smoker >1 year | 13 |
| Current smoker | 3 |
| Comorbidities | |
| Asthma/COPD | 3 |
| Diabetes mellitus | 4 |
BMI, body mass index; COPD, chronic obstructive pulmonary disease.