Results of the Karakoca balloon desobstruction procedure [32]
| RCT | Subjects | Time point | Result | |
| Quality of life | Not reported | |||
| Chronic bronchitis symptoms | Not reported | |||
| Lung function | ||||
| FEV1 L | No | 185 | 1 month | Baseline 0.77±0.26 Follow-up 1.28±0.47 |
| Exercise capacity | ||||
| 6MWD m | No | 185 | 1 month | Baseline 69±41 Follow-up 387±113 |
Data are presented as n or mean±sd. Statistically significant values (p<0.05) are presented in bold. RCT: randomised controlled trial; FEV1: forced expiratory volume in 1 s; 6MWD: 6-min walk distance.