Vitamin D Insufficiency Predicts Susceptibility of Parathyroid Hormone Reduction after Total Thyroidectomy in Thyroid Cancer Patients

Table 3

Multivariate logistic regression analysis in the ΔPTH₅₀+ and ΔPTH₅₀− groups.

Risk factor	β	value	OR (95% CI)
Vitamin D insufficiency	0.767	0.017	2.153(1.147–4.040)
Female	0.373	0.282	1.452(0.737–2.861)
N1 stage	−0.470	0.104	0.625(0.355–1.101)