“…A total of 19,720 were retrieved from PubMed (n = 3,577), Embase (n = 5,113), Cochrane Library (n = 8,024), and Web of Science (n = 3,006). After deleting duplicates (n = 7,891), and excluding ineligible studies based on titles and abstracts (n = 11,698) and on full texts (n = 111), 20 studies ( Turturro et al, 1998 ; Vergnion et al, 2001 ; Miller and Ernst, 2004 ; Soysal et al, 2004 ; Marco et al, 2005 ; Hewitt et al, 2007 ; Bounes et al, 2010 ; Shear et al, 2010 ; Jalili et al, 2012 ; Smith et al, 2012 ; Wenderoth et al, 2013 ; Shervin et al, 2014 ; Zare et al, 2014 ; Chang et al, 2017 ; Chew and Shaharudin, 2017 ; Eizadi et al, 2018 ; Pan et al, 2018 ; Blancher et al, 2019 ; Vahedi et al, 2019 ; Bijur et al, 2021 ) of 3,040 patients were eventually included in this network meta-analysis. Figure 1 shows the flow chart of study screening.…”