Table 1.
Characteristics of PHPT patients (N = 119)
| Feature | Monoclonal | Polyclonal | P value |
|---|---|---|---|
| Clonal status | 64 (54%) | 55 (46%) | |
| Age (mean, range) | 59, 24 – 85 | 51, 20 – 77 | 0.277 |
| Race | |||
| White | 37 | 27 | 0.385 |
| Black | 9 | 13 | |
| Other/Unknown | 18 | 15 | |
| BMI (Mean, N= 55) | 27 | 30 | 0.211 |
| Presentation | |||
| Asymptomatic | 5 (15%) | 7 (25%) | |
| Symptomatic | 29 (85%) | 21 (75%) | 0.307 |
| Bone density | |||
| OPO/OPE | 20 (76%) | 12 (54%) | 0.101 |
| Normal | 6 (24%) | 10 (46%) | |
| Pre-op serum Ca+2 (mean, mg/dl; N=97) | 10.9 | 11.2 | 0.225 |
| Pre-op Intact PTH (mean, pg/ml; N=97) | 139 | 179 | 0.988 |
| 25-OH Vit D (mean, IU/L; N=66) | 30 | 33 | 0.632 |
| Pre-op serum Cr | 0.88 | 0.84 | 0.567 |
| Pre-op localization (MIBI) | |||
| Positive | 12 (66%) | 10 (50%) | 0.251 |
| Negative | 6 (34%) | 10 (50%) | |
BMI, body mass index; OPO, osteoporosis; OPE osteopenia