Table 4.

Pre-op, post-op, and 6 month serum Calcium mg/dL (normal 8.5-10.5), 25-0H-Vitamin D ng/mL (normal 33-100), and PTH pg/mL (normal 10-60)

	Study group	Control group	p-value
Pre-op calcium	9.3 ±0.6 (n=19)	9.6 ±0.5 (n=36)	0.11
Pre-op vitamin D	29 ±13.8 (n=15)	32 ±12.0 (n=18)	0.38
Pre-op PTH	77 ±24.5 (n=10)	76 ±74.3 (n=15)	0.07
Post-op (nadir) calcium	7.9 ±1.0 (n=19)	8.3 ±0.7 (n=35)	0.11
Post-op vitamin D	24 ±12.2 (n=14)	31 ±9.0 (n=14)	0.25
Post-op PTH	47 ±29.4 (n=11)	57 ±46.8 (n=12)	0.88
6 month calcium	9.1 ±0.7 (n=14)	9.2 ±0.5 (n=22)	0.48
6 month vitamin D	30 ±13.2 (n=10)	34 ±9.2 (n=8)	0.46
6 month PTH	41 ±15.7 (n=5)	88 ±73.5 (n=5)	1.0