Eiber et al. found detection rates of 96.8%, 93.0%, 72.7%, and 57.9% for PSA values of ≥ 2, 1 to < 2, 0.5 to < 1, and 0.2 to < 0.5 ng/mL in PCa patients with BCR, respectively [20]. This evidence concerns the gene KLK3 and posterior cortical atrophy.