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. 2020 Jun 22:354–363.e3. doi: 10.1016/B978-0-7020-4762-6.00030-8

Table 30.2.

The body mass index, airflow obstruction, dyspnoea and exercise capacity (BODE) index (maximum is 10)6*

SCORE 0 1 2 3
FEV1 (% predicted) >65 50–64 36–49 <35
Six-minute walk distance >350 250–350 150–250 <150
Modified MRC dyspnoea score 0–1 2 3 4
Body mass index >21 <21
*

The 4-year survival rates are 80% for a score of 2, 70% for 3–4, 60% for 5–6 and 20% for scores 7–10.

Modified Medical Research Council (MRC) score is from zero (no dyspnoea) to 4 (extreme dyspnoea upon getting dressed or leaving the house). FEV1 = forced expiratory volume in 1 second.