Hypoparathyroidism is defined by low levels of calcium in the blood (<2.0 mmol/L) and/or low levels of PTH (<15 pg/mL).[17,18] As for the level of postoperative parathyroid hormone, temporary hypoparathyroidism was found in 42 (51.9%) patients. This evidence concerns the gene PTH and hypoparathyroidism.