Table 3.
Demographics and Radioguided Excision Data – Control Population
| Adult N = 57 | Pediatric N = 19 | P-value | |
|---|---|---|---|
| Age, yrs (range) | 52 ± 2.4 (22–90) | 16 ± 0.7 (10–19) | <0.0001 |
| Female (%) | 36 (63%) | 12 (63%) | 1 |
| Preoperative Ca (mg/dL) | 10.9 ± 0.1 | 12.2 ± 0.3 | <0.0001 |
| Preoperative PTH (pg/mL) | 153 ± 21 | 177 ± 43 | 0.59 |
| Postoperative Ca (mg/dL) | 9.2 ± 0.1 | 9.4 ± 0.1 | 0.43 |
| Postoperative PTH (pg/mL) | 50 ± 7 | 33 ± 7 | 0.22 |
| Etiology (%) | 0.62 | ||
| Adenoma | 47 (82%) | 14 (74%) | |
| Hyperplasia | 10 (18%) | 5 (26%) | |
| Gland weight (mg) | 455 ± 35 | 437 ± 60 | 0.80 |
| Mean background counts | 197 ± 20 | 287 ± 103 | 0.40 |
| Mean in vivo counts | 176 ± 21 | 400 ± 149 | 0.48 |
| Mean ex vivo counts | 161 ± 20 | 180 ± 91 | 0.84 |
| Mean ex vivo counts (% background) | 91 ± 11% | 51 ± 5% | 0.04 |
| Ex vivo counts >20% background | 54 (95%) | 19 (100%) | 0.57 |
| Cure (%) | 56 (98%) | 19 (100%) | 1 |
Ca=calcium, PTH=parathyroid hormone
Continuous variables are represented as the mean ± standard error of the mean unless otherwise indicated