Table 3.
Demographic and clinical data of 52 patients in the study cohort
| Parameter | Data |
|---|---|
| Male sex | 26 (50 %) |
| Age at the time of surgery (years), median and range | 35 (13–78) |
| Preoperative results | |
| Serum creatinine (RR 0.7–1.3 mg/dl) | 0.8 mg/dl (0.5–1.2 mg/dl) |
| Ionized calcium (RR 1.12–1.32 mmol/l) | 1.54 mmol/l (1.27–1.76 mmol/l) |
| Corrected total calcium (RR 8.2–10.0 mg/dl) | 10.8 mg/dl (9.6–12.4 mg/dl) |
| Phosphorus (RR 2.5–4.8 mg/dl) | 2.9 mg/dl (1.8–5.1 mg/dl) |
| Intact PTH (RR 16–87 pg/dl) | 113 pg/ml (39–311 pg/ml) |
| 24-h urine calcium (RR 50–250 mg) | 353 mg (85–658 mg) |
| Postoperative resultsa | |
| Corrected total calcium | 8.8 mg/dl (7.5–11.2 mg/dl) |
| Phosphorus | 3.8 mg/dl (2.4–5.7 mg/dl) |
| Intact PTH | 15 pg/ml (undetectable to 80 pg/ml) |
| Postoperative hypoparathyroidism | |
| Transientb | 13 patients (26.0 %) |
| Permanent | 6 patients (11.5 %) |
| Cryopreserved parathyroid autotransplant | 3 patients (6.0 %) |
| Postoperative pHPT | |
| Persistent | 4 patients (7.7 %) |
| Recurrent | 1 patient (2.0 %) |
| Follow-up time (median and range) | 8.6 months (1 week to 128 months) |
Results are given as the mean and range unless otherwise stated
RR reference range, PTH parathyroid hormone, pHPT primary hyperparathyroidism
a
Postoperative: within 30 days after parathyroidectomy
b
Transient postoperative hypoparathyroidism: intact PTH below the reference range