Table 2.
Characteristics and results of 120 patients in subgroups by BMI
| BMI <= 21 | BMI <= 28 | BMI >28 | |
| N | 15 | 66 | 39 |
| Males (%) | 60.0 | 78.8 | 66.7 |
| Age (yr) | 71abc (42–86) | 72abc (41–86) | 71abc (50–82) |
| BMI (kg/m2) | 19.7 (16.2–20.8) | 25.0 (21.3–27.8) | 29.9 (28.0–37.8) |
| FEV1/FVC (%) | 39.0abc (21.1–64.8) | 49.3abc (23.6–68.0) | 50.3abc (27.5–68.2) |
| FEV1 (% predicted) | 43.5abc (18.9–68.1) | 44.5abc (19.5–117.1) | 40.8abc (16.4–85.9) |
| MRC functional dyspnoea | 1.8 ± 1.4abc (1–4) | 1.4 ± 0.4abc (0–4) | 1.7 ± 0.9abc (0–4) |
| CCQ symptom | 2.5 (0.3–5.8) | 1.3a (0.0–4.0) | 1.5a (0.0–5.0) |
| CCQ functional state | 2.3a (0.0–5.0) | 1.3ab (0.0–5.3) | 1.9ab (0.0–4.5) |
| CCQ mental state | 2.0 (0.0–5.5) | 0.5 (0.0–6.0) | 1.5 (0.0–6.0) |
| CCQ total | 2.2 (0.4–5.2) | 1.2a (0.0–4.3) | 1.7a (0.0–4.6) |
BMI = body mass index. FVC = forced vital capacity. FEV1 = forced expired volume in one second. CCQ = Clinical COPD Questionnaire. MRC = Medical Research Council. Medians not sharing a common superscript (a,b,c) are significant different at p < 0.05 after Mann-Wittney U test.