Table 2.
Postoperative hypocalcemia group versus normal calcium level after thyroidectomy.
| Variables | Hypocalcemia (level <8 mg/dL) n=112 (52.1%) | No hypocalcemia (level ≥8 mg/dL) n=103 (47.9%) | P value |
|---|---|---|---|
| Age | 41 (32–52.7) | 48 (35–55) | .025 |
| Calcium (preoperative) (mg/dL) | 9.0 (8.8–9.4) | 9 (8.7–9.4) | .525 |
| Albumin (preoperative) (gm/dl) | 4 (3.6–4) | 3.7 (3.5–4.0) | .012 |
| PTH (preoperative) (pg/dL) | 55 (34.4–71.7) | 45.50 (32.5–68) | .213 |
| Vitamin D (preoperative) (ng/mL) | 15.8 (11–24) | 17 (11–29.60) | .322 |
| Phosphorus (preoperative) (mg/dL) | 3.6 (2–4.4) | 3.6 (3.1–4.2) | .780 |
| Magnesium (preoperative) (mg/dL) | 0.8 (.7–1.7) | 1.8 (0.8–2.0) | .001 |
| PTH (postoperative) (pg/dL) | 5 (2.0–12.0) | 26 (10–49.8) | .001 |
| PTH (After 6 months) (pg/dL) | 31 (11.3–55.5) | 47 (33.7–68.2) | .005 |
| Calcium (After 6 months) (mg/dL) | 8.7 (8.3–9.0) | 9.10 (8.8–9.4) | .001 |
Data are median (25th–75th percentiles).