Supplementary Table 2.
Severity | Grade | |
---|---|---|
Dyspnea only with strenuous exercise | No dyspnea | 0 |
Dyspnea when hurrying or walking up a slight hill | Slight dyspnea | 1 |
Walks slower than people of the same age because of dyspnea or has to stop for breath when walking at own pace | Moderate dyspnea | 2 |
Stops for breath after walking 100 yards (91m) or after a few minutes | Severe dyspnea | 3 |
Too dyspneic to leave house or breathless when dressing | Very severe dyspnea | 4 |