“…In the RCT by Schrenk et al [29], who compared TAPP and TEP inguinal hernia repairs, the authors found less early postoperative pain and a shorter hospital stay after TAPP than after TEP, but the trial was limited by small patient numbers. Conversely, Gong et al [30] found no significant difference in postoperative pain and complications between the two laparoscopic techniques, but, again, this trial was significantly underpowered. A Cochrane systematic review undertaken in 2005 concluded that there were insufficient data to draw any significant conclusions regarding superiority of one technique over the other [12].…”