Table 4.

A multivariable analysis of preoperative and perioperative factors for eucalcemic parathyroid hormone elevation 6 months after parathyroidectomy

Covariates	β coefficient	Odds ratios (95% confidence interval)	P value
Age of parathyroidectomy (years) (n = 161)	0.041	1.042 (1.005–1.080)	.027
Preoperative PTH level (pg/mL) (n = 161)	0.001	1.001 (0.998–1.003)	.646
Preoperative creatinine level (umol/L) (n = 161)	0.012	1.013 (0.999–1.026)	.071
Adenoma weight (mg) (n = 161)	0.001	1.000 (0.999–1.001)	.099
Preoperative 25OHD3 (ng/mL) (n = 121)	0.042	1.043 (1.010–1.076)	.009

PTH parathyroid hormone, 25OHD ₃ 25-hydroxyvitamin D₃