Patient Characteristics
| Characteristic | Data |
| Age (y) | 64 (39–77) |
| Sex | |
| Male | 26 |
| Female | 77 |
| Serum albumin-corrected calcium (mmol/L) | 2.78 (2.3–4.1) |
| Serum phosphate (mmol/L) | 0.8 (0.3–1.3) |
| iPTH (pg/mL) | 145 (40–1076) |
| Symptoms | |
| Hypercalcemia | 8 |
| Bone disease/osteoporosis | 14 |
| Kidney (nephrolithiasis/chronic kidney disease) | 17 |
| Nonclassic (neuropsychiatric, cardiovascular, gastrointestinal) | 10 |
| None | 38 |
| Thyroid nodules | |
| Yes | 43 |
| No | 59 |
Qualitative data are expressed as numbers; continuous data are expressed as median followed by range in parentheses.