| Patient characteristics | Number = 6 |
| Age, mean (years) | 47.5 |
| Gender, no. (%) |
|
| Male | 2 (34) |
| Female | 4 (66) |
| Preoperative biochemical level |
|
| PTH (pg/ml) | 88.9 (range, 16.3 - 19.4) |
| Calcium (mmol/ml) | 2.72 (range, 1.7 - 3.5) |
| Preoperative localization |
|
| Positive | 5 |
| Negative | 1 |
| Prior neck exploration | 1 |
| Surgical approach |
|
| VATS | 4 |
| Robotic | 2 |