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Table 2 Modified Medical Research Council (MRC) Scale

From: Measures of dyspnea in pulmonary rehabilitation

0.

I only get breathless with strenuous exercise

1.

I get short of breath when hurrying on the level or walking up a slight hill

2.

I walk slower than people of the same age on the level because of breathlessness or have to stop for breath when walking at my own pace on the level

3.

I stop for breath after walking about 100 yards or after a few minutes on the level

4.

I am too breathless to leave the house or I am breathless when dressing

  1. From [23] mod.