Table 2 Comparison of muscle parameters between normal and possible sarcopenia.

From: Comparative analysis of body composition using torso CT from PET/CT with bioelectrical impedance and muscle strength in healthy adults

Parameters

Men

p value

Women

p value

Normal (n = 225)

Possible sarcopenia (n = 6)

Normal (n = 132)

Possible sarcopenia (n = 20)

Age (years)

56.2 ± 9.1

67.0 ± 9.5

0.01*

56.1 ± 8.6

59.0 ± 11.1

0.41

BMI (kg/m2)

25.0 ± 2.8

23.4 ± 2.6

0.19

23.3 ± 3.2

23.7 ± 3.4

0.63

Hand grip strength (kg)

39.2 ± 6.1

25.1 ± 1.9

 < 0.001**

23.1 ± 3.6

13.5 ± 2.6

 < 0.001**

Knee extension strength (kg)

74.3 ± 26.1

49.8 ± 9.3

0.001**

38.8 ± 11.2

26.2 ± 8.5

 < 0.001**

SMI (kg/m2)

10.7 ± 0.9

9.5 ± 0.7

0.002*

8.5 ± 0.8

8.3 ± 0.9

0.46

TorsoMVI (cm3/m2)

5,960 ± 785

5,210 ± 487

0.02*

4,346 ± 526

4,381 ± 578

0.99

TorsoSMVI (cm3/m2)

5,700 ± 751

5,017 ± 485

0.02*

4,091 ± 476

4,120 ± 558

0.97

TorsoMVI-NA (cm3/m2)

3,992 ± 585

3,495 ± 461

0.04*

2,660 ± 362

2,670 ± 465

0.77

TorsoMVI-LA (cm3/m2)

1,708 ± 277

1,523 ± 222

0.10

1,431 ± 256

1,450 ± 263

0.70

TorsoMVI-VLA (cm3/m2)

260 ± 134

193 ± 121

0.18

255 ± 140

261 ± 145

0.99

AbdMVI (cm3/m2)

484 ± 94

437 ± 64

0.21

381 ± 64

373 ± 88

0.51

AbdSMVI (cm3/m2)

466 ± 90

421 ± 66

0.21

360 ± 59

351 ± 83

0.36

AbdMVI-NA (cm3/m2)

327 ± 68

291 ± 66

0.28

228 ± 47

221 ± 67

0.33

AbdMVI-LA (cm3/m2)

139 ± 34

130 ± 26

0.46

132 ± 31

130 ± 39

0.90

AbdMVI-VLA (cm3/m2)

18 ± 13

16 ± 14

0.45

21 ± 15

23 ± 18

0.85

AbdMVI-VLA (cm3/m2)

18 ± 13

16 ± 14

0.45

21 ± 15

23 ± 18

0.85

AbdMAI (cm2/m2)

54.4 ± 7.5

50.0 ± 8.1

0.24

41.0 ± 5.7

43.0 ± 4.8

0.08

AbdSMAI (cm2/m2)

52.4 ± 7.2

48.2 ± 8.6

0.28

38.9 ± 5.0

40.6 ± 5.0

0.17

AbdMAI-NA (cm2/m2)

37.0 ± 6.1

33.8 ± 8.7

0.45

24.9 ± 4.2

26.1 ± 5.7

0.41

AbdMAI-LA (cm2/m2)

15.4 ± 3.1

14.4 ± 2.7

0.43

14.0 ± 3.5

14.4 ± 3.7

0.29

AbdMAI-VLA (cm2/m2)

2.0 ± 1.5

1.8 ± 1.5

0.43

2.1 ± 1.6

2.4 ± 2.0

0.59

  1. Presented numbers are means ± standard deviation.
  2. BMI = Body Mass Index, SMI = Skeletal Muscle Index, TorsoMVI = Torso Muscle Volumetric Index, TorsoSMVI = Torso Skeletal Muscle Volumetric Index, NA = Normal Attenuation, LA = Low Attenuation, VLA = Very Low Attenuation, AbdMVI = Abdominal Muscle Volumetric Index, AbdSMVI = Abdominal Skeletal Muscle Volumetric Index, AbdMAI = Abdominal Muscle Areal Index, AbdSMAI = Abdominal Skeletal Muscle Areal Index, AbdSMVI = Abdominal Skeletal Muscle Areal Index.
  3. *p < 0.05, **p < 0.001.
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