Diagnostic and prognostic values of pancreatic juice carbohydrate antigen 19-9 and carcinoembryonic antigen levels in patients with pancreatic cancer

Table 7 Differences in the distribution of operated patients by carbohydrate antigen 19-9 and carcinoembryonic antigen values concerning 2-year and 5-year survival, n (%)

	Number of patients			P value
	Alive	Dead	Total
2-year survival
CA 19-9
< 25 U/mL	4 (60)	0	4 (24)	0.03
≥ 25 U/mL	4 (40)	9 (100)	13 (76)
5-year survival
CA 19-9
< 25 U/mL	3 (60)	1 (8)	4 (24)	0.06
≥ 25 U/mL	2 (40)	11 (92)	13 (76)
2-year survival
CEA
< 2.5 ng/mL	3 (38)	3 (33)	6 (35)	> 0.99
≥ 2.5 ng/mL	5 (62)	6 (67)	11 (65)
5-year survival
CEA
< 2.5 ng/mL	3 (60)	3 (25)	6 (35)	0.28
≥ 2.5 ng/mL	2 (40)	9 (75)	11 (65)

CA 19-9: Carbohydrate antigen 19-9; CEA: Carcinoembryonic antigen.