Version June 2024
| Class | Class 0 | Class 1 | Class 2 | Class 3 | Class 4 | ||||||||||||||||
| Whole person impairment rating (%) | 0 | 2 to 10 | 11 to 23 | 24 to 40 | 45 to 65 | ||||||||||||||||
| Severity grade | |||||||||||||||||||||
| Percent impairment | 2 | 4 | 6 | 8 | 10 | 11 | 14 | 17 | 20 | 23 | 24 | 28 | 32 | 36 | 40 | 45 | 50 | 55 | 60 | 65 | |
| Grade | A | B | C | D | E | A | B | C | D | E | A | B | C | D | E | A | B | C | D | E | |
| History | No symptoms currently and/or intermittent dyspnea that does not require treatment | Dyspnea controlled with intermittent or continuous treatment or intermittent mild dyspnea despite continuous treatment | Constant mild dyspnea despite continuous treatment or intermittent moderate dyspnea despite continuous treatment | Constant moderate dyspnea despite continuous treatment or intermittent severe dyspnea despite continuous treatment | Constant severe dyspnea despite continuous treatment or intermittent extreme dyspnea despite continuous therapy | ||||||||||||||||
| Physical findings | No current signs of disease | Physical findings not present with continuous treatment or intermittent mild physical findings | Constant mild physical findings despite continuous treatment or intermittent moderate findings | Constant moderate physical findings despite continuous treatment or intermittent severe findings | Constant severe physical findings despite continuous treatment or intermittent extreme findings | ||||||||||||||||
| Objective tests | |||||||||||||||||||||
| FVC | ≥80% of predicted and | 70 to 79% of predicted or | 60 to 69% of predicted or | 51 to 59% of predicted or | Below 50% of predicted or | ||||||||||||||||
| FEV1 | ≥80% of predicted and | 65 to 79% of predicted or | 55 to 64% of predicted or | 45 to 54% of predicted or | Below 45% of predicted or | ||||||||||||||||
| FEV1/FVC | FEV1/FVC >LLN or >75% of predicted and | ||||||||||||||||||||
| DLCO | DLCO ≥75% of predicted or | 65 to 74% of predicted or | 55 to 64% of predicted or | 45 to 54% of predicted or | Below 45% of predicted or | ||||||||||||||||
| VO2 max | >25 mL/kg/min or >7.1 METs | 22 to 25 mL/kg/min or 6.3 to 7.1 METs | 18 to 21 mL/kg/min or 5.1 to 6.2 METs | 15 to 17 mL/kg/min or 4.3 to 5 METs | <15 mL/kg/min or <4.3 METs | ||||||||||||||||
آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟
