Role of digital single-operator cholangioscopy in the diagnosis and treatment of biliary disorders

Table 2 Studies, evaluating the role of digital single-operator cholangioscopy in treatment of difficult biliary stones

Author	Yr	Design	Patients	Complete stone clearance
Gutierrez et al[26]	2018	Multicenter	407	97.30%
Turowski et al[11]	2018	Multicenter	107	91.10%
Navaneethan et al[10]	2016	Multicenter	31	86.1%
Canena et al[27]	2018	Single centre	17	94.1%
Buxbaum et al[28]	2018	Single centre	16	93%