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Forest plot of postvoid residual urine volume (PVR). CI, confidence interval; TURP, transurethral resection of the prostate; IPSS, International Prostate Symptom Score; TUVP, transurethral vaporization of the prostate; HoLEP, holmium laser enucleation of the prostate; KTP, potassium-titanyl-phosphate.
