Table 2.
Comparison of anthropometric and biochemical parameters of euglycemic obese women (n = 221) according to the serum vitamin D level.
| Parameters (units) | VD level | P value | |
|---|---|---|---|
| <12 ng/ml | ≥12.0 ng/ml | ||
| No. | 90 | 131 | — |
| Age (years) | 34.1 ± 8.0 | 34.6 ± 8.6 | 0.802 |
| BMI (kg/m2) | 35.3 ± 4.8 | 36.2 ± 5.6 | 0.241 |
| WC (cm) | 107 ± 10.5 | 106 ± 11.8 | 0.802 |
| HC (cm) | 116 ± 10.4 | 116 ± 9.7 | 0.982 |
| WHR | 0.93 ± 0.06 | 0.92 ± 0.08 | 0.703 |
| FG (mg/dl) | 91.8 ± 22.7 | 93.9 ± 17.5 | 0.445 |
| FI (μIU/ml) | 10.8 ± 2.5 | 11.7 ± 2.0 | 0.436 |
| HOMA-IR | 3.03 ± 1.64 | 2.40 ± 1.02 | 0.041 |
| HOMA − IR ≥ 2.5 [n (%)] | 49 (51.1) | 60 (45.8) | 0.745 |
| PTH (pg/ml) | 22.7 ± 13.6 | 24.0 ± 12.9 | 0.662 |
| Ca (mg/dl) | 9.3 ± 1.0 | 9.0 ± 1.0 | 0.434 |
VD: vitamin D; BMI: body mass index; WC: waist circumference; HC: hip circumference; WHR: waist-to-hip ratio; FG: fasting glucose; FI: fasting insulin; HOMA-IR: homeostasis model for assessment of insulin resistance; PTH: parathyroid hormone; Ca: calcium.