Table 5.

Multivariable analysis of operative and postoperative factors for eucalcemic parathyroid hormone elevation 6 months after parathyroidectomy

Covariates	β coefficient	Odds ratios (95% confidence interval)	P value
Unilateral neck exploration (n = 161)	−0.006	0.994 (0.278–3.557)	.992
IOPTH 10-min after excision (pg/mL) (n = 161)	0.015	1.015 (1.001–1.029)	.040
Postoperative 3-month PTH level (pg/mL) (n = 161)	0.048	1.048 (1.028–1.069)	<.001
Postoperative Day 0 Ca level (n = 161)	1.873	6.508 (0.189–224.0)	.300
Postoperative Day 1 Ca level (mmol/L) (n = 161)	3.339	8.329 (0.273–3.557)	.224

IOPTH quick intraoperative PTH level, PTH parathyroid hormone, Ca adjusted serum calcium