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Table 2 Distributions of patient’s characteristics including muscle areas (in cm2) and densities (in HU) by GOLD grade

From: The product of trunk muscle area and density on the CT image is a good indicator of energy expenditure in patients with or at risk for COPD

 

GOLD 0

GOLD 1

GOLD 2

GOLD 3, 4

N

8

6

14

8

Age, years

70.3 ± 7.1

68.8 ± 8.9

71.36 ± 4.4

69.6 ± 4.5

Height, m

1.65 ± 0.08

1.65 ± 0.06

1.65 ± 0.05

1.66 ± 0.05

Weight, kg

59.1 ± 13.0

60.8 ± 6.6

63.6 ± 9.6

54.8 ± 9.2

BMI, kg/m2

21.2 ± 3.7

21.8 ± 1.3

23.5 ± 3.0※

19.7 ± 3.2

CAT score, n

9.6 ± 4.0

10.0 ± 7.0

7.8 ± 5.6

14.6 ± 6.7

LAA%

9.4 ± 8.6#

8.3 ± 5.6#

9.2 ± 8.2#

30.7 ± 17.0

PMA

30.2 ± 6.8

30.1 ± 3.0

32.7 ± 6.3

28.6 ± 5.1

PMD

32.9 ± 8.6

34.1 ± 6.5

33.9 ± 6.7

28.9 ± 5.8

PM product

1030.2 ± 425.7

1035.4 ± 274.8

1133.1 ± 391.3

838.8 ± 245.5

RAMA

8.5 ± 2.1

8.7 ± 1.0

9.1 ± 1.6

8.1 ± 1.7

RAMD

25.5 ± 6.0

29.5 ± 7.7

27.5 ± 7.2

23.7 ± 6.1

RAM product

222.7 ± 98.0

260.0 ± 81.8

257.5 ± 93.1

198.9 ± 85.6

ESMA

25.3 ± 5.4

26.5 ± 6.1

27.6 ± 4.9

24.3 ± 3.9

ESMD

34.9 ± 8.6

39.8 ± 2.6

37.2 ± 12.5

33.9 ± 8.9

ESM product

894.6 ± 344.0

1056.5 ± 280.0

1077.0 ± 361.8

843.9 ± 346.3

PMA /Ht2

11.0 ± 2.3

11.0 ± 0.8

12.1 ± 2.4

10.4 ± 1.8

RAMA /Ht2

3.1 ± 0.8

3.2 ± 0.2

3.4 ± 0.5

3.0 ± 0.7

ESMA /Ht2

9.3 ± 1.8

9.7 ± 2.0

10.2 ± 1.7

8.8 ± 1.3

  1. PMA pectoralis muscle area, PMD pectoralis muscle density, RAMA rectus abdominis muscle area, RAMD rectus abdominis muscle density, ESMA erector spinae muscle area, ESMD erector spinae muscle density, Ht height
  2. ※p < 0.05 vs. GOLD3,4
  3. #p < 0.01 vs GOLD3,4