Pulmonary function test
| Measured | Predicted | % of predicted | Pre-Z score | |
|---|---|---|---|---|
| FVC, L | 1.53 | 2.90 | 52.9 | –3.17 |
| FEV1, L | 0.72 | 2.45 | 29.3 | –4.55 |
| FEV1/FVC, % | 46.81 | 77.32 | 60.5 | –4.69 |
| PEF, L/s | 2.98 | 6.22 | 48.0 | –3.59 |
| MEF25, L/second | 0.13 | 1.31 | 9.7 | –1.72 |
| MEF50, L/second | 0.30 | 3.70 | 8.1 | –3.09 |
| MEF75, L/second | 0.68 | 5.43 | 12.5 | –3.52 |
| PIF, L/second | 1.96 | n/a | n/a | n/a |
| VCmax, L | 1.53 | 3.01 | 50.8 | –3.53 |
| IC, L | 1.23 | 2.23 | 55.1 | n/a |
| ERV, L | 0.30 | 0.79 | 38.6 | n/a |
| FET, seconds | 8.16 | n/a | n/a | n/a |
| TLC, L | 5.55 | 5.23 | 106 | 0.53 |
| RV, L | 2.01 | 4.15 | 206 | 6.09 |
| TLCOcSB, mmol/min/kPa | 7.88 | 3.83 | 48.6 | –3.47 |
| KCOcSB, mmol/min/kPa/L | 1.51 | 1.33 | 88.2 | –0.63 |
ERV = expiratory reserve volume; FET = forced expiratory time; FEV1 = forced expiratory volume in the first second; FVC = forced vital capacity; IC = inspiratory capacity; KCOcSB = single breath transfer coefficient for carbon monoxide; MEF25 = maximal expiratory flow at 25% of FVC; MEF50 = maximal expiratory flow at 50% of FVC; MEF75 = maximal expiratory flow at 75% of FVC; PEF = peak expiratory flow; PIF = peak inspiratory flow; RV = residual volume; TLC = total lung capacity; TLCOcSB = single breath transfer capacity of lung for carbon monoxide; VC = vital capacity.