血清胃蛋白酶原、胃泌素17和糖链抗原CA72-4、CA199、CA125检测在胃癌筛查中的应用

表2 胃癌组受试者TNM不同分期各指标比较

检测物	Ⅰ-Ⅱ期 (n = 32)	Ⅲ期 (n = 29)	Ⅳ期 (n = 29)
PG (ng/mL)	41.13 ± 12.21	29.12 ± 11.02a	23 ± 10.06ac
CAS17 (ng/mL)	81.25 ± 13.71	61.13 ± 10.68a	52.08 ± 12.36ac
CA724 (ng/mL)	13.16 ± 1.28	27.39 ± 2.21a	91.50 ± 2.24ac
CA199 (U/mL)	43.23 ± 8.90	61.03 ± 9.36a	144.73 ± 18.01ac
CA125 (ng/mL)	69.33 ± 14.81	72.63 ± 10.70a	91.79 ± 19.01ac

^aP<0.05, 与Ⅰ-Ⅱ期相比较;

^cP<0.05, 表示与Ⅲ期相比较. PG: 胃蛋白酶原; CAS17: 胃泌素17; CA724: 糖链抗原724; CA199: 糖链抗原199; CA125: 糖链抗原125.