TABLE 2a.

Treatments and complications in the first endoscopic retrograde cholangiography.

	Total	IS	PS
	n = 48	n = 18	n = 30	p‐value
Number of stents, 1/2, n	39/9	13/5	26/4
Stent size, 5 Fr/7 Fr/8.5 Fr, n	4/34/10	0/12/6	4/22/4
Post‐ERC complications, n (%)	4 (8.3%)	1 (5.6%)	3 (10%)	1.00
Pancreatitis	2 (4.2%)	0 (0%)	2 (6.7%)	0.52
Hyperamylasemia	2 (4.2%)	1 (5.6%)	1 (3.3%)	1.00
Acute cholangitis	0 (0%)	0 (0%)	0 (0%)	NA
Elevation of biliary enzymes	0 (0%)	0 (0%)	0 (0%)	NA

Abbreviations: ERC, endoscopic retrograde cholangiography; IS, Inside stent; PS, plastic stent.