Table 3 Comparison of the PET/CT results at different PSA levels
PSA ≥5 ng/ml (n = 19) | PSA ≥2- < 5 ng/ml (n = 8) | PSA ≥1- < 2 ng/ml (n = 12) | PSA <1 ng/ml (n = 10) | |
|---|---|---|---|---|
True-positive | 15/19 (78.9%) | 4/8 (50.0%) | 4/12 (33.3%) | 0 |
False-positive | 3/19 (15.8%) | 2/8 (25.0%) | 6/12 (50.0%) | 7/10 (70.0%) |
True-negative | 0 | 0 | 2/12 (16.7%) | 2/10 (20.0%) |
False-negative | 1/19 (5.3%) | 2/8 (25.0%) | 0 | 1/10 (10.0%) |
Specificity | - | - | 25.0% | 22.2% |
Sensitivity | 93.8% | 66.7% | 100.0% | - |