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Table 2 Shape feature analysis of abdominal body composition

From: The association of body composition with abdominal aortic aneurysm growth after endovascular aneurysm repair

Shape features

All

Group(+)

Group(−)

p value

Volume percent (%)

Subcutaneous fat

19.52 ± 5.28

20.24 ± 4.92

19.21 ± 5.45

.384

Visceral fat

25.77 (21.11, 29.71)

24.90 (20.60, 29.95)

25.85 (21.01, 29.61)

.918

Pure muscle

21.39 (18.69, 23.38)

19.51 (18.05, 22.70)

21.85 (19.31, 23.63)

.042*

Intramuscular fat

1.39 (0.95, 2.02)

1.65 (1.03, 2.58)

1.23 (0.88, 1.94)

.025*

Total fat

46.62 (41.06, 50.87)

47.82 (40.10, 54.11)

46.35 (42.50, 50.70)

.661

Total muscle

22.62 (20.31, 24.94)

21.69 (19.77, 24.08)

23.76 (20.77, 24.98)

.111

Volume ratio

Subcutaneous fat/Visceral fat

0.78 (0.61, 1.03)

0.83 (0.60, 1.03)

0.78 (0.61, 1.00)

.569

Intramuscular fat/Pure muscle

0.07 (0.04, 0.10)

0.08 (0.05, 0.18)

0.06 (0.04, 0.09)

.011*

Total fat/Total muscle

2.02 (1.72, 2.49)

2.24 (1.64, 2.66)

2.01 (1.74, 2.40)

.406

Average area (cm2/m2)

Subcutaneous fat

44.23 ± 15.45

46.68 ± 12.69

43.26 ± 16.41

.351

Visceral fat

57.40 ± 23.99

59.48 ± 25.42

56.58 ± 23.56

.612

Pure muscle

46.37 ± 6.83

45.52 ± 6.66

46.71 ± 6.91

.465

Intramuscular fat

2.88 (2.13, 4.40)

3.96 (2.54, 5.74)

2.62 (2.12, 4.00)

.014*

Total fat

107.77 (81.51, 125.27)

116.73 (80.48, 124.94)

104.53 (82.90, 125.63)

.608

Total muscle

49.83 ± 7.02

49.79 ± 6.99

49.84 ± 7.09

.974

Abdomen

220.96 ± 39.69

226.61 ± 37.52

218.72 ± 40.58

.403

Circumference (cm/m)

Abdomen

57.58 (53.96, 60.72)

59.14 (54.64, 60.60)

56.95 (53.44, 60.94)

.526

  1. Unless otherwise specified, data are mean ± standard deviation or median (interquartile range). Group(+) represents patients with an aneurysm expansion, and Group(−) represents patients with a stable or shrunken aneurysm
  2. *p values in bold highlight the figures less than .05