Table 6.

Intervention in the study groups.

		Group 1	Group 2	Test value	P–value
		n = 55	n = 28
Number of ERCP	Median (IQR)	2 (2–4)	4 (2.5–5)	−2.884≠	0.004*
	Range	1–11	2–7
Number of strictures	1	42 (80.8%)	23 (82.1%)	0.023•	0.989
	2	8 (15.4%)	4 (14.3%)
	3	2 (3.8%)	1 (3.6%)
Number of stones	1	–	9 (32.1%)	–	–
	2	–	4 (14.3%)
	Multiple	–	15 (53.6%)
Site of stones	Intrahepatic	–	8 (28.6%)	–	–
	Extrahepatic	–	16 (57.1%)
	Both	–	4 (14.3%)
Relation of stones to endoscopy	Before endoscopy	–	21 (75.0%)	–	–
	After endoscopy	–	7 (25.0%)
Stent	No	3 (5.5%)	1 (3.6%)	0.143•	0.705
	Yes	52 (94.5%)	27 (96.4%)
Number of stents	1	32 (61.5%)	11 (40.7%)	4.959•	0.084
	2	18 (34.6%)	16 (59.3%)
	3	2 (3.8%)	0 (0.0%)
Size of stents (fr)	7	30 (57.7%)	8 (29.6%)	5.721•	0.057
	10	14 (26.9%)	13 (48.1%)
	7&10	8 (15.4%)	6 (22.2%)
PTC	No	50 (90.9%)	24 (85.7%)	0.518•	0.472
	yes	5 (9.1%)	4 (14.3%)
Hepato jejunostomy	No	55 (100.0%)	27 (96.4%)	1.988•	0.159
	Yes	0 (0.0%)	1 (3.6%)
Re transplant	No	55 (100.0%)	28 (100.0%)	–	–
	Yes	0 (0.0%)	0 (0.0%)

ERCP, Endoscopic Retrograde Cholangio–Pancreatography; PTC, percutaneous transhepatic cholangiography; IQR, interquartile range.

^•Chi–Square test;

^≠Mann–Whitney test.

^*Significant at p < 0.05.