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

Table 4 Features of cholangitis in study groups

Indicator	Study group
	EIBJD, n = 34	ЕRBS, n = 32	IETBD, n = 30	PTBD, n = 38
The time period from the procedure until the cholangitis onset, d	106.7 ± 38.4a	75.1 ± 14.9b	35.3 ± 9.9b	44.5 ± 9.9b
Cholangitis duration, d	4.7 ± 0.3a	9.9 ± 0.5b	7.7 ± 0.6b	5.3 ± 0.2a

^aDifferent letters indicate significant differences between study groups (Tukey post-hoc test with Bonferroni correction, P < 0.05.

^bDifferent letters indicate significant differences between study groups (Tukey post-hoc test with Bonferroni correction, P < 0.05). ERBS: Endoscopic retrograde biliary stenting; IEBJD: Internal-external biliary-jejunal drainage; IETBD: Internal-external transpapillary biliary drainage; PTBD: Percutaneous transhepatic biliary drainage.