R990G Polymorphism of Calcium Sensing Receptor Gene Is Associated with High Parathyroid Hormone Levels in Subjects with Vitamin D Deficiency: A Cross-Sectional Study

Table 1

Anthropometric and biochemical data of study subjects.

Variable (reference range)	Mean ± SD
= 140
Age (years)	31 ± 8.2
BMI (kg/m^2)	24.2 ± 5.4
Serum 25OHD	8.4 ± 7.7
(Vitamin D deficiency <20 ng/mL)
Plasma PTH	96.2 ± 66
(normal values 16–87 pg/mL)
Serum calcium	9 ± 0.6
(normal values 8.6–10.2 mg/dL)
Serum creatinine	0.8 ± 0.2
(normal values 0.6–1.2 mg/dL)

South Asian classification of BMI.