Between the groups with and without clinically significant cancer, the corrected PSA (17.3 ± 6.90 vs. 26.3 ± 23.3, p = 0.268) and corrected PSAD (0.364 ± 0.316 vs. 0.383 ± 0.315, p = 0.950) were comparable as well. Here, KLK3 is linked to cancer.