Table 5.
Correlations between vitamin D, vitamin B12, folic acid and metabolic parameters in nondiabetic obese patients
| Pearson Correlation |
Vitamin D (ng/mL) (Serum 25(OH)D) |
Vitamin B12 (pg/mL) |
Serum folic acid (ng/mL) | |
| BMI (kg/m2) | r | -0.256** | -0.432** | -0.190** |
| p | 0.000 | 0.000 | 0.002 | |
| Body fat (%) | r | -0.186** | -0.304** | -0.108 |
| p | 0.001 | 0.000 | 0.182 | |
| Duration of obesity (year) | r | -0.024 | -0.131* | -0.129 |
| p | 0.692 | 0.023 | 0.082 | |
| Fasting plasma glucose (mg/dL) | r | -0.034 | -0.156** | 0.009 |
| p | 0503 | 0.001 | 0.890 | |
|
HbA1c (%) |
r | -0.096 | -0.181** | 0.038 |
| p | 0.102 | 0.001 | 0.605 | |
|
Insulin (µU/mL) |
r | -0.153** | -0.282** | -0.84 |
| p | 0.004 | 0.000 | 0.195 | |
| HOMA-IR index | r | -0.141** | -0.266** | -0.076 |
| p | 0.007 | 0.000 | 0.244 | |
|
HDL-chol (mg/dL) |
r | 0.159** | 0.239** | 0.124 |
| p | 0.002 | 0.000 | 0.055 | |
|
Triglyceride (mg/dL) |
r | -0.056 | -0.194** | 0.087 |
| p | 0.289 | 0.000 | 0.178 | |
| Hs-CRP (mg/L) | r | -0.138* | -0.226** | -0.154* |
| p | 0.033 | 0.000 | 0.030 |
**Correlation is significant at the 0.01 level (2-tailed).
* Correlation is significant at the 0.05 level (2-tailed).