Surgical confidence of the participants of the GeSRU Endo-Workshop 2024 to independently perform ureterorenoscopy (URS) before the workshop (a), URS after the workshop (b), transurethral resection of the bladder (TURB) before the workshop (c), TURB after the workshop (d), transurethral resection of the prostate (TURP) before the workshop (e), and TURP after the workshop (f). TURB, transurethral resection of the bladder; TURP, transurethral resection of the prostate; URS, ureterorenoscopy.