Table 1.
Characteristics of participants (n = 238).
| Characteristic | N (%) | Mean (SD) |
|---|---|---|
| Male sex | 171 (71.8) | |
| Age, years | 231 | 72.6 (7.6) |
| BMI, kg/m2 | 207 | 27.7 (4.0) |
| Caucasian | 205 (98.1) | |
| Disease duration, years | 194 | 3.19 (2.8) |
| Smoking status | 211 | |
| Never | 52 (26.5) | |
| Former | 150 (71.1) | |
| Current | 9 (4.3) | |
| HRCT | ||
| Honeycombing | 111 (46.6) | |
| Traction bronchiectasis | 77 (32.4) | |
| Emphysema | 29 (12.2) | |
| GORD | 88 (37.0) | |
| Hypertension | 79 (33.2) | |
| IHD | 52 (51.8) | |
| Pulmonary hypertension | 13 (5.5) | |
| COPD | 10 (4.2) | |
| Pirfenidone | 79 (33.2) | |
| Nintedanib | 7 (2.9) | |
| N-Acetylcystein | 15 (6.3) | |
| Prednisolone | 17 (7.1) | |
| Home oxygen | 49 (20.6) | |
| FVC (% predicted) | 77.68 (17.34) | |
| FEV1 (% predicted) | 82.18 (18.28) | |
| DLCO (% predicted) | 47.75 (14.97) |
The mean and standard deviation or percentage for the demographic variables. BMI: body mass index, COPD: chronic obstructive pulmonary disease, GORD: gastroesophageal reflux disease, HRCT: high resolution computerised tomography, IHD: ischaemic heart disease.