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Table 1 Baseline characteristics

From: Ultrasound assessment of lower limb muscle mass in response to resistance training in COPD

 

Healthy (n=19)

COPD (n=45)

Age

66.2 (5.0)

68.2 (8.2)

Gender (M:F)

8:11

27:18

Smoking (pack-years)

13.0 (22.4)

45.8 (30.5)***

FEV1 (L)

2.5 (0.6)

1.1 (0.4)***

FEV1 (% predicted)

106.6 (22.0)

47.3 (18.9)***

BMI (kg/m2)

26.9 (2.8)

26.4 (5.3)

FFMI (kg/m2)

17.3 (1.7)

17.5 (2.8)

QMVC (Nm)

135.7 (45.7)

109.5 (48.5)*

Tdexa (g)

4096.8 (849.3)

3908.5 (1104.1)

RFcsa (mm2)

444.1 (98.8)

439.7 (117.9)

Qt (mm)

21.8 (2.9)

21.5 (6.4)

  1. Data presented as Means (SD), except gender (absolute numbers).
  2. * p<0.05, *** p<0.0001, COPD vs. Healthy.
  3. BMI: Body mass index.
  4. FFMI: Fat-free mass index.
  5. FEV 1 : Forced expiratory volume in 1 second.
  6. QMVC: Quadriceps maximum voluntary contraction.
  7. T dexa : Thigh lean mass.
  8. RF csa : Rectus femoris cross-sectional area measured by ultrasound.
  9. Q t : Quadriceps muscle thickness measured by ultrasound.
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Respiratory Research

ISSN: 1465-993X

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