Methods: This retrospective single-center cohort study comprised 744 patients who had undergone open or laparoscopic appendectomy for clinically suspected appendicitis between 1 January 2011 and 31 December 2015 at the department of general and visceral surgery, Kepler University Hospital in Linz, Austria. Demographic data, the surgical technique, postoperative complications, histopathological findings, postoperative white blood counts, and C-reactive protein levels were evaluated.