Effectiveness of a new approach to minimally invasive surgery in palliative treatment of patients with distal malignant biliary obstruction

Table 2 Frequency of minor postoperative complications in study groups, n (%)

Complication	Study group				Pvalue
	EIBJD, n = 34	ЕRBS, n = 32	IETBD, n = 30	PTBD, n = 38
Pain in the drainage area	6 (17.6)	5 (15.6)	7 (23.3)	7 (18.4)	0.885
Hyperthermia	3 (8.8)	-	2 (6.7)	3 (7,9)	0.423
Bile leakage	1 (2.9)	2 (6.3)	1 (3.3)	2 (5.3)	0.903
Bleeding	3 (8.8)	-	3 (10,0)	4 (10.5)	0.325
Subcapsular biloma	1 (2.9)	3 (9.4)	1 (3.3)	1 (2.6)	0.498
Shingle pain	1 (2.9)	-	1 (3.3)	2 (5.3)	0.642
Total	1 (2.9)	3 (9.4)	1 (3.3)	-	0.223

ERBS: Endoscopic retrograde biliary stenting; IEBJD: Internal-external biliary-jejunal drainage; IETBD: Internal-external transpapillary biliary drainage; PTBD: Percutaneous transhepatic biliary drainage.