Table 1: Baseline characteristics of participants prior to vitamin D repletion treatments.
Characteristic | Treatment | P-value | |
4000 IU (n = 50) | 6000 IU (n = 25) | ||
25(OH)D (ng/ml) | 22.25 ± 7.19 | 23.74 ± 5.09 | 0.302 |
FGP (mg/dl) | 188.76 ± 87.19 | 168.16 ± 55.94 | 0.220 |
Age (years) | 54.76 ± 8.56 | 54.17 ± 10.99 | 0.999 |
Gender (Female %) | 48% | 52% | 0.809 |
Years with T2D | 6.48 ± 5.18 | 5.48 ± 5.93 | 0.478 |
Smoking (yes %) | 10% | 28% | 0.091 |
BMI (kg/m2) | 34.72 ± 6.98 | 30.74 ± 4.93 | 0.013 |
Total Cholesterol (mg/dl) | 213.08 ± 42.30 | 193.88 ± 41.03 | 0.065 |
Triglycerides (mg/dl) | 182.98 ± 110.11 | 201.44 ± 91.35 | 0.445 |
LDL cholesterol (mg/dl) | 128.34 ± 40.54 | 115.56 ± 34.53 | 0.160 |
HDL cholesterol (mg/dl) | 50.64 ± 12.20 | 42.44 ± 10.40 | 0.004 |
Vitamin D intake (IU/day) | 316.82 ± 251.70 | 301.97 ± 225.49 | 0.797 |
Sun exposure score | 20.06 ± 14.92 | 18.68 ± 15.52 | 0.715 |
Upper arm skin color | 58.67 ± 9.54 | 62.09 ± 5.65 | 0.056 |
Forearm skin color | 54.82 ± 8.51 | 54.37 ± 4.37 | 0.099 |
Lipid lowering meds | 64% | 68% | 0.215 |
Continues variables are presented as mean ± SD and categorical variables as %.
25(OH)D: serum vitamin D; FPG: fasting plasma glucose; T2D: type 2 diabetes;
BMI: body mass index; LDL: low density lipoprotein; HDL: high density lipoprotein.