Comorbidities of the study population
| Comorbidities | Overall | IG | CG |
| n=67 | n=33 | n=34 | |
| Cardiac comorbidity, n (%) | 39 (58.2) | 20 (60.6) | 19 (55.9) |
| Neurological comorbidity, n (%) | 9 (13.4) | 6 (18.2) | 3 (8.8) |
| Metabolic comorbidity, n (%) | 18 (27.3) | 11 (33.3) | 7 (21.2) |
| Musculoskeletal comorbidity, n (%) | 28 (41.8) | 17 (51.5) | 11 (32.4) |
| Psychiatric comorbidity, n (%) | 16 (23.9) | 8 (24.2) | 8 (23.5) |
| Other comorbidities, n (%) | 26 (38.8) | 17 (51.5) | 9 (26.5) |
| History of lung surgery, n (%) | 3 (4.5) | 1 (3.0) | 2 (5.9) |
CG, control group; IG, intervention group.