KLK3 and erectile dysfunction: We gathered data pertaining to various parameters, such as International Prostate Symptom Score (IPSS), maximum urine flow rate (Qmax), postvoid residual volume (PVR), prostate-specific antigen (PSA), prostate volume, Sexual Health Inventory For Men (SHIM), as well as preoperative complications like transurethral resection syndrome, bleeding, blood transfusion, clot evacuation, urinary retention, urinary tract infection (UTI), irritative symptoms, urinary incontinence, erectile dysfunction (ED), retrograde ejaculation (RE), urethral stricture (US), and bladder neck stenosis (BNS).