Table 3. Postoperative laboratory change.

Variables		PTH	P value	Corrected serum Ca	P value	Ionized Ca	P value	Phosphorus	P value
Postop 3 mo			0.996		0.259		0.473		0.054
	TPHPT	48.5 ± 29.8		9.1 ± 0.5		4.9 ± 0.7		3.4 ± 0.5
	NPHPT	48.5 ± 23.1		9.0 ± 0.5		4.9 ± 0.2		3.6 ± 0.5
Postop 12 mo			0.716		0.020a		0.437		0.028a
	TPHPT	42.5 ± 19.9		8.9 ± 0.4		4.7 ± 0.3		3.4 ± 0.4
	NPHPT	41.6 ± 17.6		8.8 ± 0.7		4.8 ± 0.2		3.6 ± 0.4

All continuous variables expressed as mean ± standard deviation.

TPHPT = typical primary hyperparathyroidism, NPHPT = normocalcemic primary hyperparathyroidism, PTH = parathyroid hormone.

^aStatistical significance.