Safety and efficacy comparison of remimazolam and propofol for intravenous anesthesia during gastroenteroscopic surgery of older patients: A meta-analysis

Figure 2 The graph (A) and summary (B) of risk bias of randomized controlled trials. The seven studies showed a low bias risk for they assessed randomized sequence generation (100%), blinding of participants (100%), blinding of outcome (25%), selective reporting (100%), and others (100%).