Minireviews
Copyright ©The Author(s) 2021.
World J Gastroenterol. May 14, 2021; 27(18): 2131-2140
Published online May 14, 2021. doi: 10.3748/wjg.v27.i18.2131
Table 2 Summary of studies comparing the risks of endoscopic retrograde cholangiopancreatography-related complications for asymptomatic and symptomatic patients with common bile duct stones
Ref.Study design Patients, n
Overall, complications (%)
PEP (%)
Asymptomatic group
Symptomatic group
Asymptomatic group
Symptomatic group
Asymptomatic group
Symptomatic group
Kim et al[9], 2016Single-center retrospective3253615.610.412.5a3.9
Saito et al[10], 2017Multicenter retrospective6753626.9a3.916.4a2.2
Saito et al[11], 2019Multicenter retrospective16494919.5a6.214.6a3.0
Xu et al[12], 2019Single-center prospective5327426.4a11.720.8a6.9
Xiao et al[13], 2021Single-center retrospective7979513.39.77.66.9