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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Eur J Surg Oncol. 2019 Dec 4;46(5):868–875. doi: 10.1016/j.ejso.2019.11.520

Fig. 1.

Fig. 1.

Assessment of methodological quality. A. Judgments made by the authors each methodological quality item presented as percentages across all studies.B. Summary of methodological quality. Judgments made by the authors about each methodological quality item for each study are shown. Each item was scored as follows: high risk of bias = 2, intermediate or unclear risk of bias = 1, and low risk of bias = 0.