Vitamin D Deficiency as a Predictive Factor of Transient Hypocalcemia after Total Thyroidectomy

Table 2

Underlying disease, thyroid functional status, and operative and discharge times.

	Normocalcemic	Hypocalcemic	value^a
Underlying disease n (%)
Multinodular thyroid disease	84 (72.0)	51 (81.0)	0.207
Cervico-mediastinal goiter	16 (14.0)	9 (14.3)	0.999
Graves’ disease	7 (6.1)	4 (6.3)	0.999
Hashimoto’s thyroiditis	8 (7.0)	2 (3.2)	0.498
Hurthle adenoma	3 (2.6)	2 (3.5)	0.999
Follicular adenoma	1 (0.9)	2 (3.2)	0.289
Plummer’s adenoma	2 (1.8)	1 (1.6)	0.999
Papillary carcinoma	10 (8.8)	9 (14.3)	0.312
Follicular carcinoma	2 (1.8)	—	0.539
Papillary microcarcinoma	4 (3.5)	3 (4.8)	0.701
Thyroid function n (%)
Hyperfunctioning	32 (31.1)	19 (33.9)	0.725
Normally functioning	56 (54.4)	31 (55.4)	0.999
Underactive	15 (14.6)	6 (10.7)	0.626
Postoperative days, mean ± SD	2.6 ± 0.9	2.9 ± 1.1	0.207^b
Operative time, n (%)	—	—	0.155
1 hour	16 (14.0)	6 (9.5)	—
2 hours	86 (75.4)	45 (71.4)	—
3 hours	12 (10.5)	9 (14.3)	—
>3 hours	—	3 (4.8)	—

^aPearson’s chi-square test. ^bMann–Whitney U test.