Table 1.

Characteristics of patients from the discovery and validation cohorts

Characteristic	Subclass	PDAC—all stages	CA19-9 mean (range)	Healthy controls
Discovery cohort
Total		88		54
Gender	Male	51		34
	Female	37		20
	Age in years (range)	61 (41–79)		65 (55–83)
Stage of disease	Localized	33	105 (1–1604)	–
	Localized postsurgical	20	159 (1–1193)	–
	Locally advanced	15	118 (1–7800)	–
	Metastatic	20	193 (2–125 000)	–
Validation cohort
Total		39		82
Gender	Male	21		43
	Female	18		39
	Age in years (range)	(37–79)		(38–84)
Stage of disease	Localized	39		–
	Localized postsurgical	–		–
	Locally advanced	–		–
	Metastatic	–		–