Endoscopic retrograde cholangiopancreatography for patients aged ninety and older with choledocholithiasis: A single-center experience in south China

Table 3 Complication rates in patients with choledocholithiasis in the case and control groups, n (%)

	Case group (n = 44)	Control group (n = 44)	P value
Postoperative pancreatitis	2 (4.5)	2 (4.5)	1.000
Hyperamylasemia	8 (18.2)	6 (13.6)	0.727
Infection	5 (11.4)	2 (4.5)	0.375
Bleeding	1 (2.3)	1 (2.3)	1.000
Digestive tract perforation	1 (2.3)	0 (0)	1.000
Heart failure	2 (4.5)	2 (4.5)	1.000
Cardiac infarction	0 (0)	2 (4.5)	0.500
Device entrapment	1 (2.3)	0 (0)	1.000
Death	3 (6.8)	0 (0)	0.250