Table 1.
Biochemical variables in PHPT group before and after surgery
| Normal range | PHPT
|
|||
|---|---|---|---|---|
| Before parathyroidectomy (mean ± sem) | After parathyroidectomy (mean ± sem) | Pre- vs. postoperative Pvalue | ||
| Serum calcium (mg/dl) | 8.5–10.2 | 10.6 ± 0.1 | 9.5 ± 0.1 | <0.001 |
| PTH (pg/ml) | 14.0–66.0 | 77 ± 4 | 38 ± 3 | <0.001 |
| Phosphate (mg/dl) | 2.5–4.3 | 2.7 ± 0.1 | 3.5 ± 0.1 | <0.001 |
| 25-hydroxyvitamin D (ng/dl) | 16–74 | 24.0 ± 1.2 | 28.9 ± 1.4 | 0.008 |
| 1,25-dihydroxyvitamin D (ng/dl) | 18–62 | 54 ± 4 | 42 ± 4 | 0.001 |
| Creatinine (mg/dl) | 0.5–0.9 | 0.78 ± 0.02 | 0.84 ± 0.03 | <0.001 |
| Albumin (g/dl) | 4.0–5.0 | 4.6 ± 0.04 | 4.5 ± 0.04 | 0.20 |
| Alkaline phosphatase (U/liter) | 33–96 | 75 ± 4 | 65 ± 3 | 0.001 |