Table 3.
CDC73 mutationb | Loss of parafibrominc | |
---|---|---|
Sensitivity (95% CI) | 41 (24–59) | 50 (32–68) |
Specificity (95% CI) | 95 (77–99) | 95 (77–92) |
Positive predictive value (95% CI)d | 4 (0–10) | 5 (0–12) |
Negative predictive value (95% CI)d | 100 (98–100) | 100 (98–100) |
A series of 22 parathyroid adenomas previously characterized for CDC73 mutations and parafibromin immunostaining was used as a control (Cetani et al. (12)).
CDC73 mutational data were available in 32 patients.
Parafibromin immunostaining data were available for 34 patients.
Positive and negative predictive values are calculated given the estimated prevalence of parathyroid carcinoma at our Institution of 0.5% among patients with primary hyperparathyroidism.