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Table 1 Physical characteristics and body composition of the participants, categorised according to sex

From: Assessment of whole-body and regional body fat using abdominal quantitative computed tomography in Chinese women and men

 

Equation group

Validation group

 

Males (n = 50)

Females (n = 50)

Males (n = 18)

Females (n = 21)

 

Mean ± SD/

Median(IQR)

Mean ± SD/

Median(IQR)

Mean ± SD/

Median(IQR)

Mean ± SD/

Median(IQR)

Age (yr)

55.8 ± 13.3

52.6 ± 11.6

57.3 ± 9.9

59.3 ± 13.3

Anthropometric measures

 Height (cm)

167.1 ± 5.7

157.8 ± 4.9a

165.8 ± 9.7b

155.2 ± 6.4ac

 Weight (kg)

63.3 ± 10.2

55.0 (50.0–68.0)

63.0 ± 13.6

52.3 ± 8.8ac

 BMI (kg/m2)

22.6 ± 2.9

23.4 ± 3.7

22.8 ± 3.3

21.6 ± 3.1

DXA measures

 DXA VAT mass (g)

940.7 ± 535.7

621.3(375.4–1118.6)

925.6 ± 532.4

691 ± 377.7

 DXA VFV (cm3)

977.1 ± 567.8

658.6(398.0–1185.8)

981.1 ± 564.3

732.4 ± 400.4

 TBF%

24.9 ± 6.2

35.5 ± 6.3a

24.0 ± 7.3b

32.4 ± 7.0ac

 Android %fat

31.0 ± 10.7

40.4 ± 9.1a

29.7 ± 12.2b

36.5 ± 11.8

 Gynoid %fat

24.3 ± 5.0

38.5 ± 5.8a

23.7 ± 6.4b

34.1(32.9–37.3)ac

QCT measures

 QCT VAT mass (g)

647.2(340.1–877.7)

505.5(325.6–688.3)

611.5 ± 311.2

432.0 ± 189.1

 QCT VFV (cm3)

2046.6 ± 972.3

1629.3(1236.0–2427.6)

2090.1 ± 1070.3

1572.4 ± 654.4

 T12/L1%fat

29.2(12.0–43.9)

33.3 ± 15.5

30.0 ± 17.3

32.5 ± 14.6

 L1/L2%fat

37.2(18.5–51.4)

42.7 ± 14.3

36.3 ± 18.4

40.4 ± 16.7

 L2/L3%fat

45.5(33.6–52.2)

54.6(43.6–58.9)a

44.3(37.2–55.5)

51.2(42.7–56.8)

 L3/L4%fat

48.3(38.6–54.7)

57.3(49.2–60.7)a

47.5(39.3–56.3)b

56.5(44.1–61.0)a

 L4/L5%fat

49.7(42.5–56.2)

59.1 ± 8.1a

50.8(40.0–56.7)b

58.4(51.7–61.3)

 L5/S1%fat

44.7(37.3–44.7)

57.6 ± 8.5a

43.2(36.7–51.2)b

55.0(46.9–59.6)ac

  1. BMI body mass index, DXA dual-energy X-ray absorptiometry, VAT visceral adipose tissue, VFV visceral fat volume, TBF% total body fat percentage, QCT quantitative computed tomography, SD standard deviation, IQR interquartile range
  2. aP < 0.05 compared to male participants in the equation group
  3. bP < 0.05 compared to the female participants in the equation group
  4. cP < 0.05 compared to male participants in the validation group