Efficacy and safety of emergency endoscopic retrograde cholangiopancreatography for acute cholangitis in the elderly

Table 4 Procedural details of endoscopic retrograde cholangiopancreatography n (%)

	Age ≥ 80 yr	Age < 80 yr	P value
	(n = 102)	(n = 105)
Details of the procedure
Biliary stent insertion	97 (95.1)	100 (95.2)	NS
Endoscopic sphincterotomy	69 (67.6)	87 (82.9)	< 0.05
Complete stone removal	53/651 (81.5)	67/722 (93.1)	< 0.05
Technical success3	97 (95.1)	100 (95.2)	NS
Procedures time (min), mean ± SD	37.6 ± 8.1	40.1 ± 7.7	NS
Failed cannulation	5 (4.9)	5 (4.8)	NS

Number of patients with biliary stones in the elderly¹ and in the control² groups,

³technical success is defined as an endoscopic biliary drainage at an initial ERCP. ERCP: Endoscopic retrograde cholangiopancreatography; NS: Not significant.