Identification of novel risk factors for postoperative severe hypocalcemia in patients with primary hyperparathyroidism undergoing parathyroidectomy: a case control study

Table 3 Spearman correlation analysis for statistically significant variables and postoperative serum Ca

	Preoperative serum Ca	Percentage	iPTH	Serum P	Serum Ca/P	tP1NP	OC	ALP
r	0.14	-0.498	-0.44	0.62	-0.43	-0.57	-0.525	-0.606
P	0.351	< 0.001	0.002	< 0.001	0.003	< 0.001	< 0.001	< 0.001

Serum Ca Serum calcium, r correlation coefficient, Percentage Percentage decrease of serum Ca, iPTH intact parathyroid hormone, serum P serum phosphorus, serum Ca/P preoperative serum calcium/serum phosphorus, tP1NP total procollagen type 1 intact N-terminal propeptide, OC Osteocalcin, ALP Alkaline phosphatase

ISSN: 1472-6823