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Purpose: To critically review perioperative outcomes, positive surgical margin (PSM) rates, and functional outcomes of several large series of retropubic radical prostatectomy (RRP), laparoscopic RP (LRP), and robot-assisted radical prostatectomy (RARP) currently available in the literature.

Methods: A Medline database search was performed from November 1994 to May 2009, using medical subject heading search terms “prostatectomy” and “Outcome Assessment (Health Care)” and text words “retropubic,” “robotic,” and “laparoscopic.” Only studies with a sample size of 250 or more patients were considered. Weighted means were calculated for all outcomes using the number of patients included in each study as the weighing factor.

Results: We identified 30 articles for RRP, 14 for LRP, and 14 for RARP. The mean intraoperative and postoperative RRP transfusion rates for RRP, LRP, and RARP were 20.1%, 3.5 …