Clinical Utility of Preoperative Vitamin D3 Injection for Preventing Transient Hypocalcemia after Total Thyroidectomy

Table 7

Subgroup analysis between vitamin D3 injection (VDI) and vitamin D3 noninjection (VDN) groups in postoperative PTH range from 10 to 15 pg/mL.

	VDI (n = 36)	VDN (n = 214)	value
Age (years)	49.8 ± 13.2 (range, 25–81)	45.9 ± 14.5 (range, 16–82)	0.135
Female	30 (83.3%)	172 (80.4%)	0.821
Multifocality	22 (61.1%)	121 (56.5%)	0.717
Bilaterality	15 (41.7%)	93 (43.5%)	0.858
ETE	7 (19.4%)	38 (17.7%)	0.485
Transient hypocalcemia	11 (30.6%)	100 (46.7%)	0.051

Data are expressed as patient’s number (%), or mean ± SD. A statistically significant difference was defined as  < 0.05. ETE, extrathyroidal extension.