The patient’s spirometry results
| Predicted normal value | Before bronchodilator | % of predicted normal value | After bronchodilator | % of predicted normal value | % Change | |
|---|---|---|---|---|---|---|
| FVC, L | 3.08 | 2.36 | 76 | 2.41 | 78 | 2 |
| FEV1, L | 2.73 | 0.81 | 30 | 0.73 | 27 | −11 |
| FEV1/FVC, % | 88 | 35 | 30 | |||
| PEF, L/sec | 5.73 | 0.87 | 15 | 0.79 | 14 | −9 |
FEV1 = forced expiratory volume in 1 second; FVC = forced vital capacity; PEF = peak expiratory flow