Parameters | Scores |
---|
0 | 1 | 2 | 3 |
---|
PTEF/t-PTEF(mL/s2) | <3 | 3-6 | 7-10 | >10 |
25TEF/PTEF (%) | >80 | 60-80 | 40-60 | <40 |
t-PTEF/t-E (%) | >30 | 20-30 | 10-20 | <10 |
- The score for 5 levels of tidal lung function. Normal: 0, Mild: <3, moderate: 3–5, Severe: 6–7, Extremely severe: 8–9. PTEF peak tidal expiratory flow, t-PTEF time to peak tidal expiratory flow, 25TEF tidal expiratory flow at 25% of tidal volume remaining, t-E, expiratory time.