The Relationship Between Calcium Metabolism Parameters

Blood calcium is under very tight control in a narrow range of 8.5-10.5 mg/dl. We aimed to investigate the factors that contributed to this control. 464 females and 254 males aged 16-96 years were examined retrospectively. PTH, 25OH vitamin D, Ca, Mg, P and spot urine calcium, creatinine levels were examined. The rates were as follow; hypercalcemia 5.6%, primary hyperparathyroidism 10.4%, secondary hyperparathyroidism 40.8%, tertiary hyperparathyroidism 17.5%, normal PTH hypercalcemia 1.25%, hypocalcemia 13.5%, hypoparathyroidism 3.7%, hypovitaminosis D 77.6%, hypophosphatemia 6.4%, hyperphosphatemia 17.5%, hypomagnesemia 17.5%, hypermagnesemia 10.4%. Severe vitamin D deficiency was found as 37% (n= 172) in females and 20% (n= 53) in males (p

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