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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