Table 2 Summary of patient distribution, related to PSA. In this table it is shown in detail the distribution of patients, according to the four possible categories and related to the PSA serum level at the time of the scans. On the right there are reported the values of sensitivity and specificity of this analysis
Summary Table with PSA ≥ 1 ng/mL | ||||
|---|---|---|---|---|
Reported findings | 16 | 10 True positive | 16.7% | Sensitivity = TP/TP + FN = 66.7% |
6 False positive | 10% | |||
Rest of the population | 44 | 5 False negative | 8.3% | Specificity = TN/TN + FP = 86.7% |
39 True Negative | 65% | |||
Total | 60 | 100% | ||