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. 2020 Jul 25;20:167. doi: 10.1186/s12893-020-00824-6

Fig. 2.

Fig. 2

Forest plots of the meta-analysis for intraoperative outcomes. a: The number of IHD cases was compared between the LS and OS groups. b: Operative time was compared between the LS and OS groups. c: Intraoperative blood loss was compared between the LS and OS groups. d: The number of intraoperative blood transfusions was compared between the LS and OS groups. IHD: Intraoperative haemodynamic instability; LS: Laparoscopic surgery; OS: Open surgery; CI: Confidence interval; SD: Standard deviation