Table 2 Diagnostic accuracy of 68Ga-PSMA PET/CT among 105 patients with a final diagnosis (BVC) for the presence or absence of bone metastases
M0 by BVC, n = 88 | M1 by BVC, n = 17 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
M0 | Equivocal | M1 | M0 | Equivocal | M1 | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | |
Three-point scale by three observers | 82 | 2 | 4 | 0 | 0 | 17 | – | – | – | – |
Optimistic analysis: Equivocal result considered M0 | 84 | 4 | 0 | 17 | 1.00 (0.81–1.00) | 0.96 (0.89–0.99) | 0.81 (0.58–0.95) | 1.00 (0.96–1.00) | ||
Pessimistic analysis: equivocal result considered M1 | 82 | 6 | 0 | 17 | 1.00 (0.81–1.00) | 0.93 (0.86–0.98) | 0.74 (0.52–0.90) | 1.00 (0.96–1.00) | ||