Changes in outcome measurements from baseline according to fissure integrity and correct valve placement to achieve complete occlusion
| FEV1 | SGRQ | Cycle ergometry (W) | ||||
|---|---|---|---|---|---|---|
| Valves (%) | Control (%) | Valves | Control | Valves | Control | |
| Overall | 7±20 | 0.5±19 | −5±14 | 0.3±13 | 2±14 | −3±10 |
| Intact fissures | 16±21 | 2±14 | −6±15 | 3±15 | 4±1 | −3±7 |
| Intact fissure and correct placement | 26±24 | 3±14 | −10±15 | 3±15 | 8±15 | −3±7 |
Data derived from Herth et al.25
FEV1, forced expiratory volume in 1 s; SGRQ, St George's Respiratory Questionnaire.