Table 2 Muscle mass parameters: limb muscle mass, skeletal muscle mass, trunk muscle mass, and skeletal muscle index.

From: Association between diaphragm excursion and whole-body muscle mass in older adults: an observational study

Parameter

Total n = 110

Male n = 50

Female n = 60

mean

[95% CI]

SD

mean

[95% CI]

SD

mean

[95% CI]

SD

ASM [kg]

16.1

[15.4, 16.9]

3.8

19.3

[18.5, 20.1]

2.8

13.5

[12.9, 14.1]

2.2

TMM [kg]

17.3

[16.7, 18.0]

3.5

20.0

[19.1, 20.8]

3.0

15.1

[14.6, 15.6]

1.9

SMM [kg]

21.2

[20.4, 22.0]

4.3

24.7

[23.7, 25.7]

3.5

18.3

[17.7, 18.9]

2.3

SMI [kg/m2]

6.5

[6.3, 6.7]

1.0

7.2

[7.0, 7.4]

0.7

5.9

[5.8, 6.1]

0.7

  1. SD, standard deviation; CI, confidence interval; ASM, appendicular skeletal muscle mass; TMM, trunk muscle mass; SMM, skeletal muscle mass; SMI, skeletal muscle index.
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