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. 2018 Mar 16;8(3):e016666. doi: 10.1136/bmjopen-2017-016666

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© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

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Forest plot comparing surgical site infection in patients who underwent elective laparoscopic cholecystectomy with or without antibiotics. The fixed-effects model was calculated using the Mantel-Haenszel method for meta-analysis. Risk ratios are shown with 95% CIs. Superscript numbers indicate reference numbers.