Inclusion and exclusion criteria
Patients who were diagnosed with localized (cT1-T2) PCa, had RP operation and were followed up regularly for BCR were included in our study. Patients diagnosed with metastatic or locally advanced PCa, patients with positive surgical margins, patients with pathological lymph node metastasis, patients receiving neo-adjuvant hormonotherapy or radio-chemotherapy, patients receiving adjuvant therapy after RP, patients who had nadir PSA above 0.2 ng/dl after RP, patients without regular follow-up were not included in the study.