Table 2. Postoperative progression of serum calcium levels (mmol/L).

Values (in mmol/L)	n	%
Preop
0.8 to 1.1	6	12.8
Normal	41	87.2
POi
0.8 to 1.1	23	48.9
Normal	24	51.1
PO7
< 0.8	2	4.3
0.8 to 1.1	15	31.9
Normal	30	62.8
PO90
0.8 to 1.1	15	31.9
Normal	32	68.1
PO180
< 0.8	3	6.4
0.8 to 1.1	6	12.8
Normal	38	80.8

Preop: preoperative; Poi: immediate postoperative; PO7: 7 days after surgery; PO90: 90 days after surgery; PO180: 180 days after surgery.