BODE Index for COPD SurvivalLoading...FEV1 (% of predicted)≥ 65%050-64%+136-49%+2≤ 35%+36 Minute Walk Distance≥ 350 m (383 yds)0250-349 m (273-382 yds)+1150-249 m (164-272 yds)+2≤149 m (163 yds)+3mMRC Dyspnea ScaleDyspnea only with strenuous exercise0Dyspnea when hurrying or walking up a slight hill: 0 pts Walks slower than people of same age because of dyspnea or stops for breath when walking at own pace0Walks slower than people of same age because of dyspnea or stops for breath when walking at own pace+1Stops for breath after walking 100 yards (91 m) or after a few minutes+2Too dyspneic to leave house or breathless when dressing+3BMI (kg/m2)> 210≤ 21+1适用指征洞见与注意事项