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Table 1 Demographic data, Vitamin D3 levels and Vitamin D3 Metabolite Ratios (VMR) for Type 2 Diabetes (n = 460) patients

From: Vitamin D3 metabolite ratio as an indicator of vitamin D status and its association with diabetes complications

  Type 2 Diabetes n = 460
Age (years)
mean (SD)
55.2 (9.9)
Male Gender
N (%)
227 (49.4)
BMI (kg/m2)
median (IQR)
32.4 (28.6–37.2)
HbA1c (%)
median (IQR)
7.9 (6.7–9.5)
Glucose (mmol/l)
median (IQR)
8.6 (6.4–12.2)
1,25(OH)2D3 (ng/dl)
median (IQR)
0.02 (0.01–0.04)
25(OH)D3 (ng/dl)
median (IQR)
6.5 (3.4–13.6)
24,25(OH)2D3 (ng/dl)
median (range)
0.3 (0.2–0.6)
3-epi-25(OH)D3
median (IQR)
0.4 (0.2–0.8)
VMR-1 [24,25(OH)2D3:25(OH)D3] median (IQR) 0.05 (0.04–0.07)
VMR-2 [1,25(OH)2D3:25(OH)D3] median (IQR) 0.002 (0.001–0.004)
VMR-3 [3-epi-25(OH)D3:25(OH)D3 median (IQR) 0.07 (0.05–0.10)
  1. 1,25(OH)2D3 1,25-Dihydroxyvitamin D3; 25(OH)D3 25-hydroxyvitamin D3; 24,25(OH)2D3 24,25-dihydroxyvitamin D3; 3-epi-25(OH)D3 3-epi-25-hydroxyvitamin D3; IQR Interquartile range