Long-term results of lung volume reduction surgery in a cohort of 250 patients
| Outcome | Baseline | 1 yr | 3 yrs | 5 yrs |
| Survival rate % | NA | 94 | 84 | 68 |
| Mean FEV1 % pred | 25 | 38 | 34 | 30 |
| Patients requiring LTOT % | 61 | 12 | 23 | |
| Mean 6MWD m | 280 m pre-rehabilitation 348 m post-rehabilitation | 408 | 387 | 351 |
FEV1: forced expiratory volume in 1 s; % pred: % predicted; LTOT: long-term oxygen therapy; 6MWD: 6-min walk distance; NA: not applicable. Data taken from [114].