KLK3 and Familial prostate cancer: Table 1 shows the most important clinical information of the patients, including age, body mass index, lifestyle habits (smoking, alcohol), family history of prostate cancer, total serum PSA, serum PSA index, blood cell counts (WBC, RBC, HGB, PLT), leukocyte counts (Lymphocytes, Neutrophils, Monocytes), plasma inflammatory indices (MRL, NLR, PLR), and combined plasma inflammatory indices (SIRI, AISI), Charlson comorbidities, G6PD, IPSS (international prostatic symptoms score), IIEF (international index of erectile function), and TRUS (trans rectal ultrasound).