Table 2. Clinical data of the treated patients.
| Patient number | FEV1 before EBV placement (%) | FEV1 1 month after EBV placement (%) | Change of FEV1 (%) | FEV1 6 months after EBV placement (%) | Change of FEV1 (%) | CV status | Ateclectasis | Volume reduction of bulla |
|---|---|---|---|---|---|---|---|---|
| 1 | 19.1 | 24.3 | 5 | 14.4 | −4.7 | − | + | + |
| 2 | 48.5 | 37.6 | −10.9 | 33.3 | −15.2 | + | − | − |
| 3 | 35.1 | 41.3 | 6.2 | 49 | 13.9 | − | + | + |
| 4 | 10.7 | 12.5 | 1.8 | 11.8 | 1.1 | + | − | − |
| 5 | 27.2 | 24.4 | −2.8 | 21.3 | −5.9 | + | − | − |
FEV1, forced expiratory volume in 1 s; EBV, endobronchial valve; CV, collateral ventilation.