Direct comparison of simultaneous and sequential endoscopic metallic bilateral stenting in malignant hilar biliary obstruction

Table 3 Patient outcomes

Patient outcomes	Sequential group, overall	Sequential group, side by side	Sequential group, stent in stent	Simultaneous group	P value
Technical success	56 (77)			58 (94)	0.008
	56 (77)	20 (57)	36 (95)	58 (94)	0.001
Clinical success (n = 101)	33 (72)	13 (76)	20 (69)	41 (75)	0.82
Procedure duration, minutes, median (IQR)	80 (60-90)	75 (35-93)	80 (60-90)	72 (58-99)	0.75
Early adverse event
Overall	23 (31)	12 (34)	11 (29)	12 (21)	0.39
Pancreatitis	8 (11)	4 (11)	4 (11)	5 (8)	0.81
Cholangitis	12 (16)	6 (17)	6 (16)	4 (6)	0.19
Hemorrhage	2 (3)	1 (3)	1 (3)	4 (6)	0.66
Duodenal perforation	1 (1)	1 (3)	0 (0)	0 (0)	0.26
Recurrent biliary obstruction	9 (18)	1 (5)	8 (20)	13 (22)	0.049
Time to RBO, days, mean	112	1821	103	144
Reintervention after RBO	9 (100)	1 (100)	8 (100)	11 (85)	0.49
Successful reintervention	7 (78)	1 (100)	6 (75)	9 (82)	1

¹n = 1. Data are presented as n (%). RBO: Recurrent biliary obstruction; IQR: Interquartile range.