Table 1.

Diagnostic yield for the new brush protocol vs historical control

	New brush protocol	Historical control	P value
Mean age (yr)	70	68	0.45
Gender (males)	63%	56%	0.55
All cases	25/32 (78%)	17/46 (37%)	0.0003
Pancreatic adenocarcinoma	17/23 (74%)	6/20 (30%)	0.005
Cholangiocarcinoma	7/7 (100%)	8/22 (36%)	0.004
Other	1/2 (50%)	3/4 (75%)	0.6
	2 gallbladder cancers	2 gallbladder, 1 colon, 1 unknown