		Calcium status at 1^st POD (n)
		Normocalcemia	Hypocalcemia	Total
Post-operative iPTH 1 h	Normal Parathyroid Hormone	47	03	50
Post-operative iPTH 1 h	Hypoparathyroidism	02	15	17
Postoperative iPTH 4 h	Normal Parathyroid Hormone	46	01	47
Postoperative iPTH 4 h	Hypoparathyroidism	03	17	20
Postoperative iPTH 24 h	Normal Parathyroid Hormone	46	01	47
Postoperative iPTH 24 h	Hypoparathyroidism	03	17	20