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Figure 3 (A) Body mass index (BMI) and (B) St George's Respiratory Questionnaire (SGRQ) in the three groups classified by severity of emphysema. Values are mean (SE). Severity of emphysema is associated with lower BMI regardless of GOLD stage. See text for details of SGRQ data. The Jonckheere‐Terpstra test was used to examine trends for the three groups of subjects (*p<0.05).
