Table 2.

Outcomes of included studies in the meta-analysis

Ref.	Total patient (n)	Technical success (n)	Clinical success (n)	Adverse events (n)	Reintervention (n)	Intra-procedural adverse events (n)	Post-procedural adverse events (n)	Late adverse events (n)
Tsuchiya et al[33], 2018	19	19	18	7	4	0	Cholangitis (2), fever (1)	Stent occlusion (1), stent kinking (1), tumor obstruction (1), stent migration (1)
Anderloni et al[30], 2019	46	43	42	5	4	0	0	Bleeding (1), stent occlusion (3), stent migration (1)
El Chafic et al[25], 2019	67	64	-	-	-	-	-	-
Jacques et al[28], 2019	52	46	46	9	5	0	Cholangitis (1), bleeding (1)	Sump syndrome (2), tumor obstruction (4), stent migration (1)
Chin et al[26], 2020	60	60	55	12	9	NA	NA	NA
Jacques et al[31], 2020	70	69	69	9	4	0	Bleeding (1), primary dysfunction of stent (1), cholangitis (1)	Tumor obstruction (4), stent migration (1), bacteremia (1)
Di Mitri et al[35], 2022	36	29	29	9	7	First flange malemployment (2), bleeding (5)	0	Tumor obstruction (2)
Tarantino et al[27], 2021	21	21	21	4	1	0	0	Stent occlusion (2), tumor obstruction (1), stent migration (1)
Venkatachalapathy et al[34], 2021	20	20	19	5	0	0	Pain (3), cholangitis (1), stent migration (1),
Garcia-Sumalla et al[36], 2021	39	38	32	12	3	0	Duodenal perforation (1), cholangitis (2), stent migration (1), bleeding (1)	Stent occlusion (7)
Hindryckx et al[38], 2021	13	12	11	3	1	Duodenal perforation (1)	Cholangitis (1), cholecystitis (1)	-
Yoo et al[29], 2021	7	7	7	1	1	0	Stent occlusion (1)	-
Ginestet et al[37], 2022	50	49	45	1	0	Bleeding (1)	0	0
On et al[32], 2022	120	109	92	21	9	Pneumoperitoneum (2), retroperitoneal air (1), bile leak (2), duodenal perforation (2)	Cholangitis (3), stent occlusion (4)	Cholangitis (2), stent occlusion (3), Stent migration (2)

NA: Not available.