Bode Index for Chronic Obstructive Pulmonary Disease (COPD) Prognosis

BODE Index for COPD Prognosis
The body-mass index, airflow obstruction, dyspnea, and exercise capacity (BODE) index in chronic obstructive pulmonary disease.
[select name="Q1" value="More than 64% (0 points)=0|50-64% (1 point)=1|36-49% (2 points)=2|Less than 36% (3 points)=3"] <-- FEV1
[select name="Q2" value="Walks >349 meters (0 points)=0|Walks 250-349 meters (1 point)=1|Walks 150-249 meters (2 points)=2|Walks <150 meters (3 points)=3"] <-- Six-Minute Walk Test [link url="//www.fpnotebook.com/Geri/Exam/SxMntWlkTst.htm" memo="more on the Six-Minute Walk Test"]
[select name="Q3" value="Grade 0 (0 points)=0|Grade 1 (0 points)=0|Grade 2 (1 point)=1|Grade 3 (2 points)=2|Grade 4 (3 points)=3|Grade 5 (3 points)=3"] <-- Dyspnea Index
Grade 0: No dyspnea
Grade 1: Not bothered by dyspnea, except during strenuous activity
Grade 2: Shortness of breath when walking up a short hill
Grade 3: Walks more slowly than others because of breathlessness; stops to catch breath when walking at own pace
Grade 4: Stops to catch breath after walking 100 m (328 ft) on level ground
Grade 5: Too short of breath to leave the house; breathless with activities of daily living, such as dressing and undressing
[link url="//www.fpnotebook.com/Lung/Exam/DyspnIndx.htm" memo="more on Dyspnea Index"]
[select name="Q4" value="More than 21 (0 points)=0|21 or less (1 point)=1"] <-- BMI
Score --> [calc memo="score" value="score=(Q1)+(Q2)+(Q3)+(Q4)"] out of 10
Higher scores indicate a greater risk of death.
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"]
reference:
[link url="//www.ncbi.nlm.nih.gov/pubmed/14999112" memo="#1"] Celli (2004) N Engl J Med 350(10): 1005-1012.
[link url="//www.ncbi.nlm.nih.gov/pubmed/13823475" memo="#1"] Fletcher (1959) Br Med J 2:257-66.
[link url="//www.fpnotebook.com/lung/exam/BdIndx.htm" memo="#1"] FP Notebook page
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