Table 2 Characteristics of sampling procedures.

Variable	N=323
ERCP, endoscopic retrograde cholangiopancreatography; EUS, endoscopic ultrasound; FU, follow up. * Treated with over-the-scope clip closure.
Upfront procedure
EUS, n (%)	318 (98.5)
ERCP, n (%)	5 (1.5)
ERCP after inadequate EUS, n (%)	11 (3.4)
First-session adequacy, n (%)	312 (96.6)
EUS adequacy, n (%)	304/318 (95.6)
ERCP adequacy, n (%)	8/16 (50)
Inadequate samples, n (%)	11 (3.4)
Final diagnosis obtained by
Subsequent EUS	1
Subsequent ERCP	4
Surgical specimen	2
Clinico-radiological FU	4
Adverse events during sampling	1/316 (0.3)
Duodenal perforation *	1