Table 1.
Baseline characteristics of the analyzed patients.
| Perioperative supplementation group, n=68 [n (%)] | Postoperative supplementation group, n=66 [n (%)] | P value | |
|---|---|---|---|
| Age (mean±SD) (y) | 47.2±13.6 | 48.0±13.2 | 0.713 |
| Sex | |||
| Female | 61 (89.7) | 62 (93.9) | 0.532 |
| Male | 7 (10.3) | 4 (6.1) | |
| Diagnosis of thyroid disease | |||
| Thyroid cancer | 39 (57.4) | 41 (62.1) | 0.754 |
| Nontoxic nodular goiter | 16 (23.5) | 18 (27.3) | |
| Toxic multinodular goiter | 5 (7.4) | 3 (4.5) | |
| Graves’ disease | 6 (8.8) | 3 (4.5) | |
| Chronic lymphocytic thyroiditis | 2 (2.9) | 1 (1.5) | |
| Operation | |||
| Total thyroidectomy | 57 (83.8) | 54 (81.8) | 0.821 |
| Completion thyroidectomy | 11 (16.2) | 12 (18.2) | |
| Neck dissection | |||
| Central neck dissection | 18 (26.5) | 20 (30.3) | 0.703 |
| Lateral neck dissection | 4 (5.9) | 6 (9.1) | 0.528 |
| Parathyroid autotransplantation | 6 (8.8) | 8 (12.1) | 0.583 |
| Preoperative biochemical testing | |||
| Corrected calcium (mean±SD) (mg/dl) | 9.01±0.42 | 8.95±0.39 | 0.491 |
| Magnesium (mean±SD) (mEq/l) | 1.98±0.14 | 2.01±0.23 | 0.674 |
| Phosphorous (mean±SD) (mg/dl) | 3.67±0.22 | 3.88±0.31 | 0.809 |
| Parathyroid hormone (mean±SD) (pg/ml) | 40.21+11.92 | 37.69±11.59 | 0.217 |
| Signs or symptoms of hypocalcemia | 0 | 0 | - |
Corrected calcium level: normal range=8.0–10.5 mg/dl, magnesium level: normal range=1.3–2.1 mEq/l, phosphorous level: normal range=2.8–4.5 mg/dl, parathyroid hormone level: normal range=15–65 pq/ml.