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Table 2 Comparison of changes in response variables before and after vitamin D3 supplementation (4000 IU/day) for 12 weeks

From: Vitamin D receptor gene polymorphisms affecting changes in visceral fat, waist circumference and lipid profile in breast cancer survivors supplemented with vitamin D3

Variables Before intervention
(n = 147)
After intervention
(n = 147)
P value*
25(OH)D, nmol/liter 38.1(22.9–62.6) 108.8(73.2–142.0) < 0.001
BMI, Kg/m2 29.4(27.3–31.9) 29.2(27.3–32.1) 0.57
WC, cm 96.0(91.0–103.7) 98.5(92.2–104.0) 0.20
HC, cm 109.5(105.2–114.0) 107.5(104.0–112.5) < 0.001
Fat mass (%) 37.15 ± 4.16 37.4 ± 4.14 0.08**
Muscle mass (%) 43.7(41.3–47.3) 43.7(41.0–46.7) 0.42
Trunk fat (%) 33.0(29.3–36.8) 34.0(30.4–37.4) 0.003
Visceral fat level 8.0(7.0–10.0) 8(7.0–10.0) 0.42
LDL, mg/dL 101.8 ± 26.1 98.7 ± 26.5 0.19
HDL, mg/dL 52.0(45.0–59.0) 51(46.0–60.0) 0.86
TC, mg/dL 176.0(157.0–193.5) 167.0(153.5–195.5) 0.17
TG, mg/dL 108.0(80.5–145.0) 108.0(77.5–148.0) 0.92
  1. Values with normal distribution are presented as mean ± SD; values with non-normal distribution are presented as median (Q1, Q3)
  2. *P values were calculated using Wilcoxon signed-rank test
  3. **P values were calculated using the paired sample t-test Wilcoxon test respectively
  4. 25(OH)D 25-hydroxy vitamin D, BMI Body mass index, WC Waist circumference, HC Hip circumference, TC Total cholesterol, LDL-C Low-density lipoprotein cholesterol, HDL-C High-density lipoprotein cholesterol, TG Triglycerides