This was also confirmed in our study where, although a higher incidence of post-operative hypocalcemia (serum calcium < 8 mg/dL) was observed in patients with a lower postoperative PTH level (<12 pg/mL), there was no significant difference of PTH levels between patients with postoperative hypocalcemia and patients with normocalcemia; this suggests that low PTH levels, although potentially predictive of postoperative temporary hypocalcemia, do not indicate an absolute risk of hypocalcemia, and similarly, a normal PTH value does not guarantee normocalcemia. Here, PTH is linked to Hypocalcemia.