Table 4. Effect of experience on sludge diagnosis and the decision to proceed to ERCP.

EUS experience and sludge diagnosis (n = 41)	OR	P value	95 % CI
Years of experience in EUS	0.99	0.66	0.96–1.03
EUS procedures/year	1.01	0.38	0.98–1.04
Advise to proceed to ERCP (n = 41)	OR	P value	95 % CI
ERCP performers vs non-performers	1.26	0.23	0.87–1.8
ERCP experience and advice to proceed to ERCP (n = 27)	OR	P value	95 % CI
Years of experience in ERCP	0.99	0.96	0.96–1.04
ERCP procedures/year	0.99	0.74	0.96–1.03

ERCP, endoscopic retrograde cholangiopancreatography; EUS, endoscopic ultrasonography.