00p value (Mann--Whitney test)Age \[years\]00.0 (00.0 -- 00.0)00.0 (00.0 -- 00.0)0.000BMI \[kg/m^0^\]00.0 (00.0 -- 00.0)00.0 (00.0 -- 00.0)0.000Initial PSA \[ng/ml\]0.0 (0.0 -- 0.0)0.0 (0.0 -- 00.0)0.000IIEF score before RP00 (00 -- 00)00 (00 -- 00)0.000Intraop. blood loss \[ml\]000 (00