A Cochrane review «Jaschinski T, Mosch CG, Eikermann M et al. Laparoscopic versus open surgery for suspected appendicitis. Cochrane Database Syst Rev 2018;(11):CD001546. . »1 included 85 studies with 9765 participants. Seventy-five trials included 8520 adults and 10 trials included 1245 children. Randomized clinical trials comparing laparoscopic (LA) versus open appendectomy (OA) were included.
Abstract and full text in Cochrane database «https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD001546.pub4/full»1, SOF table «https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD001546.pub4/full#CD001546-sec1-0001»2 (licence for full text and SOF table required)