Table 1.

Study participants

Participant Class		Sample Size	Median Age (Range)
Pancreatic Adenocarcinoma
	Total	75	69 (48-92)
	Female	29	76 (52-94)
	Male	46	65 (48-92)
	Stage IA	1
	Stage IB	3
	Stage IIA	7
	Stage IIB	24
	Stage III	17
	Stage IV	23
Healthy Control
	Total	150	66 (30-94)
	Female	58	65.5 (52-94)
	Male	92	66.5 (30-91)
Chronic Pancreatitis
	Total	32	50 (32-77)
	Female	15	50 (34-63)
	Male	17	47 (32-77)
Benign Neoplasm and Periampullary Lesions
	Total	42	70.5 (41-91)
	Female	22	70 (41-84)
	Male	20	71.5 (49-91)
	intraductal papillary mucinous tumor	13
	mucinous cystic neoplasm	12
	neuroendocrine tumor	5
	serous cystadenoma	4
	cystic neuroendocrine neoplasm	3
	bile duct stricture	3
	solid-cystic papillary neoplasm	2