Fig. 3From: Interventions to prevent anastomotic leak after esophageal surgery: a systematic review and meta-analysisPooled risk ratio for anastomotic stricture grouped according to intervention type (11 meta-analyzed studies). Stapled anastomosis intervention compared to hand-sewn (a). Omentoplasty intervention compared to conventional anastomosis (stapled or hand-sewn anastomosis) (b). LCL, lower confidence limit; UCL, upper confidence limit; RR, risk ratio; POP, population sizeBack to article page