Table 4.

Comparison of postoperative complications between the two subgroups, n (%)

Complication	EUS-BD (n = 33)	PTBD (n = 35)	χ 2	P value
Biliary fistula	1 (3.03)	2 (5.71)
Cholangitis	0 (0.00)	2 (5.71)
Bile tube bleeding	0 (0.00)	1 (2.86)
Pneumoperitoneum	0 (0.00)	1 (2.86)
Stent blockage	1 (3.03)	3 (8.57)
Stent displacement	0 (0.00)	1 (2.86)
Mucosal laceration	1 (3.03)	0 (0.00)
Total	3 (9.09)	10 (28.57)	4.169	0.041

EUS-BD: Endoscopic ultrasound-guided biliary drainage; PTBD: Percutaneous transhepatic puncture biliary drainage.