Grade | Description of breathlessness |
0 | I only get breathless with strenuous exercise |
1 | I get short of breath when hurrying on level ground or walking up a slight hill |
2 | On level ground, I walk slower than people of the same age because of breathlessness, or have to stop for breath when walking at my own pace |
3 | I stop for breath after walking about 100 yards [91 meters] or after a few minutes on level ground |
4 | I am too breathless to leave the house or I am breathless when dressing |
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