Table 2 Body composition in monozygotic twin adults with and without cholecalciferol supplementation.

From: The impact of vitamin D supplementation on VDR gene expression and body composition in monozygotic twins: randomized controlled trial

 

CG (n = 45)

SG (n = 45)

CG (T60) x SG (T60)

T0

T60

Effect size

p value

T0

T60

Effect size

p value

Effect size

p value

BMI, (kg/m2)

25.5 (21.3–30.5)

25.5 (20.5–30.1)

0.218

0.614

24.9 (22.1–33.9)

24.5 (21.6–33.8)

0.222

0.602

0.019

0.782

Total body fat, (kg)

18.1 (15.3–25.6)

18.1 (14.9–24.9)

0.054

0.639

19.2 (15.8–24.3)

18.6 (15.1–23.8)

0.116

0.259

0.042

0.812

Total body fat, (%)

29.9 (26.3–36.8)

30.7 (26.6–38.5)

0.048

0.758

32.3 (27.2–37.7)

30.5 (26.7–36.9)

0.120

0.001

0.013

0.977

Arm Fat, (%)

31.3 (25.9–38.0)

32.2 (26.1–39.5)

0.037

0.554

33.5 (27.8–40.8)

33.9 (27.3–40.3)

0.043

0.390

0.072

0.583

Trunk Fat, (%)

30.4 (24.9–36.4)

30.3 (25.1–36.4)

0.001

0.758

31.8 (25.7–38.4)

31.4 (27.7–36.9)

0.015

0.228

0.138

0.506

Android fat, (%)

29.8 (22.7–38.4)

27.2 (22.2–38.4)

0.074

0.360

31.7 (23.0–38.2)

29.8 (25.3–37.5)

0.050

0.001

0.113

0.548

Gynoid Fat, (%)

35.8 (29.5–42.3)

34.7 (29.6–43.4)

0.006

0.831

37.9 (30.8–43.0)

36.5 (29.8–41.5)

0.094

0.005

0.049

0.687

Leg Fat, (%)

33.5 (27.7–40.7)

32.7 (28.2–40.6)

0.030

0.097

35.4 (29.7–40.3)

35.0 (30.1–40.0)

0.001

0.692

0.122

0.480

Total Lean Mass, (kg)

39.0 (35.1–45.5)

38.6 (34.7–47.6)

0.091

0.839

38.2 (34.5–47.6)

38.2 (34.1–47.7)

0.015

0.554

0.067

0.781

Android Lean Mass, (kg)

26.2 (22.5–31.8)

26.3 (22.7–32.3)

0.017

0.906

26.2 (22.5–31.6

24.8 (22.3–33.7)

0.011

0.877

0.009

0.681

Gynoid Lean Mass, (kg)

61.1 (53.8–74.8)

62.0 (56.0–74.5)

0.005

0.616

58.3 (51.8–68.9)

59.6 (52.9–70.4)

0.052

0.007

0.193

0.362

BMC, (g)

2,248.5 (2060.7–2,558.5)

2,182.5 (2,309.0–2,542.8)

0.056

0.233

2,298.0 (2007.0–2,837.5)

2,197.0 (1950.5–2,976.8)

0.048

0.433

0.118

0.715

  1. Continuous variables are shown as median (percentile 25–percentile 75) and compared by Wilcoxon test (intra-group values) and Mann–Whitney test (inter-group values). CG, Control group; SG, Supplemented group; T0, first analysis; T60, analysis 60 days after the first; BMI, body mass index; BMC, bone mineral density.
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