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Table 2 Characteristics and results of 120 patients in subgroups by BMI

From: Validation of the Clinical COPD questionnaire in Italian language

 

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)

  1. 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.