Fig. 4From: Laparoscopic versus open surgery for pheochromocytoma: a meta-analysisForest plots of the meta-analysis for complications. a: Overall complications were compared between the LS and OS groups. b: Severe (Clavien-Dindo grade ≥ 2) complications were compared between the LS and OS groups. c: The number of postoperative hypotension cases was compared between the LS and OS groups. d: The number of postoperative CVDs was compared between the LS and OS groups. CVD: cardiovascular disease; LS: laparoscopic surgery; OS: open surgery; CI: confidence intervalBack to article page