摘要:The aim of this study was to assess clinically meaningful differences of preoperative lower urinary tract symptoms (LUTS) and quality of life (QoL) before and after robot-assisted radical prostatectomy (RARP). Therefore we identified 5506 RARP patients from 2007 to 2018 with completed International Prostate Symptom Score (IPSS) and -QoL questionnaires before and 12 months after RARP in our institution. Marked clinically important difference (MCID) was defined by using the strictest IPSS-difference of − 8 points. Multivariable logistic regression analyses (LRM) aimed to predict ∆IPSS ≤ − 8 and were restricted to RARP patients with preoperatively moderate (IPSS 8–19) vs. severe (IPSS 20–35) LUTS burden (n = 2305). Preoperative LUTS was categorized as moderate and severe in 37% (n = 2014) and 5.3% of the complete cohort (n = 291), respectively. Here, a postoperative ∆IPSS ≤ − 8, was reported in 38% vs. 90%. In LRM, younger age (OR 0.98, 95%CI 0.97–0.99; p = 0.007), lower BMI (OR 0.94, 95%CI 0.92–0.97; p < 0.001), higher preoperative LUTS burden (severe vs. moderate [REF.