Predicts the risk of death from COPD.
It includes four components:
1. Body mass index (BMI)
2. Obstruction of airflow - FEV1 (% of predicted)
3. Dyspnea - mMRC scale
4. Exercise capacity - 6 minute walk distance (meter)
Component |
0 Points |
1 Point |
2 Points |
3 Points |
BMI |
> 21 |
≤ 21 |
X |
X |
FEV1 |
≥ 65 |
50 - 64 |
36 - 49 |
≤ 35 |
Dyspnea (mMRC scale) |
0 - 1 |
2 |
3 |
4 |
6-Minute walk |
≥ 350 |
250 - 349 |
150 - 249 |
< 149 |