Patients Controls Significance (P-value)
Vitamin D
Ranges 4-41ng/ml 4.34-38.42 ng/ml <0.01**
Mean ± SD 16.14 ± 9.32 ng/ml 24.61 ± 8.36 ng/ml  
Vitamin D
Normal (≥ 30 ng/nl) 8.6% (6 patients) 32% (16 controls) <0.05*
Insufficient (10-29 ng/ml) 57.1% (40 patients) 64% (32 controls)  
Deficient (<10 ng/ml) 34.3% (24 patients) 4% (2 controls)  
Table 2: Measured values of serum 25(OH) vitamin D3 the study group.