Table 1. Demographics and laboratory results.
| N | Percentage/Range | |
|---|---|---|
| Sex (M) | 31 | 97% |
| Median Age (years) | 59 | 19–79 |
| Prior neck surgery | 3 | 9% |
| Median pre-op serum Ca (mg/dL) | 11 | 9.6–13.2 |
| Median pre-op serum PTH (mg/dL) | 191 | 64–789 |
| Pre-op SPECT/CT | 28 | 88% |
| Surgical Procedure (Minimally Invasive/Explorative) | 16/16 | 50%/50% |