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Table 5 Comparison of body composition between patients with mMRC < 2 and patients with mMRC ≥ 2

From: Association between obesity-related dyspnea in daily living, lung function and body composition analyzed by DXA: a prospective study of 130 patients

 

mMRC < 2 (n = 90)

mMRC ≥ 2 (n = 40)

p

Height (cm)

167 (± 9)

166 (± 8)

0.723

Weight (kg)

120.9 (± 20.7)

133.0 (± 23.5)

0.0052*

BMI (kg/m2)

43.2 (± 5.7)

48.2 (± 7.7)

0.001*

Hand grip dynamometer (n = 112)

 Hand grip strength (kg)

27 (± 9)

28 (± 10)

0.853

 Low hand grip strength Ŧ

5 (7%)

3 (8%)

1

Dual X-ray Absorptiometry

 Low ALMI ŦŦ (n = 85)

0 (0%)

0 (0%)

1

Trunk

 Mass (kg)

55.58 (± 10.90)

61.33 (± 13.08)

0.017*

 % total body mass

47 (± 5)

47 (± 4)

0.719

 LM-BMD (kg)

31.16 (± 5.52)

32.69 (± 5.70)

0.117

 FM (kg)

24.42 (± 6.39)

28.64 (± 8.79)

0.008*

 FM (%)

44 (± 5)

46 (± 5)

0.012*

Lower limbs

 Mass (kg)

39.68 (± 7.10)

43.83 (± 7.93)

0.004*

 % total body mass

33 (± 3)

33 (± 3)

0.970

 LM-BMD (kg)

20.45 (± 4.23)

21.94 (± 4.56)

0.055

 FM (kg)

19.22 (± 4.51)

21.89 (± 5.31)

0.014*

 FM (%)

48 (± 6)

50 (± 6)

0.175

%FM Trunk/% FM Lower limbs

0.91 (± 0.13)

0.93 (± 13)

0.288

Android

 Mass (kg)

10.14 (± 2.34)

11.60 (± 2.56)

0.002*

 % total body mass

8 (± 1)

9 (± 1)

0.021*

 LM-BMD (kg)

4.97 (± 1.16)

5.49 (± 1.12)

0.012*

 FM (kg)

5.17 (± 1.30)

6.12 (± 1.60)

0.001*

 FM (%)

51 (± 4)

52 (± 4)

0.024*

Gynoid

 Mass (kg)

18.69 (± 3.46)

20.42 (± 3.52)

0.009*

 % total body mass

16 (± 1)

16 (± 1)

0.713

 LM-BMD (kg)

9.88 (± 1.97)

10.47 (± 2.03)

0.098

 FM (kg)

8.81 (± 2.00)

9.95 (± 2.08)

0.009*

 FM (%)

47 (± 5)

49 (± 5)

0.074

Android/gynoid fat mass ratio

1.09 (± 9)

1.09 (± 9)

0.821

  1. Data are expressed as mean (± SD) or number (%)
  2. *p < 0.05; **p < 0.001
  3. p is in bold when it is < 0.05
  4. mMRC: modified Medical Research Council; BMI: Body mass index; ALMI: Appendicular lean mass index; TM: Total mass; FM: Fat mass; LM: Lean mass; BMD: Bone mineral density
  5. Ŧ: hand grip strength was considered low when < 16 kg in women and < 27 kg in men; ŦŦ: ALMI was considered low when < 5.45 kg/m2 in women and < 7.26 kg/m2 in men