Parameter | Best | Ref. | % ref. |
VC L | 4.330 | 3.000 | 144% |
FVC L | 4.430 | 3.000 | 148% |
FEV1 L | 3.030 | 2.580 | 117% |
FEV1/FVC | 67.9% | ||
FIV1 L | 2.21 | 2.58 | 86% |
FIV1/FEV1 | 0.73 | ||
PEF L·s−1 | 3.280 | 6.300 | 52% |
PIF L·s−1 | 2.960 | 6.300 | 47% |
FEF50% L·s−1 | 2.750 | 4.000 | 67% |
FIF50% L·s−1 | 2.440 | 4.000 | 61% |
FEF50%/FIF50% | 1.12 |
VC: vital capacity; PIF: peak inspiratory flow; FEF50%: forced expiratory flow at 50% FVC; FIF50%: forced inspiratory flow at 50% FVC. Bold indicates reduced values.