Carcinoembryonic antigen, carbohydrate antigen 199 and carbohydrate antigen 724 in gastric cancer and their relationship with clinical prognosis

Table 1 Comparison of general data between the two groups

Group	n	Gender (n)		Age (yr)	Smoking history (case)		Alcohol history (n)
		Male	Female		Yes	No	Yes	No
Gastric cancer group	87	46	41	59.11 ± 6.02	52	35	56	31
Control group	80	41	39	58.94 ± 5.76	43	37	45	35
χ2		0.044		0.186	0.616		1.149
P value		0.834		0.853	0.433		0.284