Expression of trefoil factors 1 and 2 in precancerous condition and gastric cancer

Table 1 Expression of TFF1 protein by immunohistochmistry staining

Group	n	TFF1 expression				Mean score
		-	+	++	+++
CSG	35	0	2	24	9	83.2
GU	35	1	6	20	8	73.7
CAG	35	2	3	27	3	68.1
GC	35	7	5	19	4	57

Table 2 Expression of TFF2 protein by immunohistochmistry staining

Group	n	TFF1 expression				Mean score
		-	+	++	+++
CSG	35	0	0	22	13	80
GU	35	2	0	18	15	80.7
CAG	35	3	3	21	8	61.2
GC	35	2	5	21	7	60.2

Table 3 Expression of TFF1 and TFF2 in different GC

Type	n	TFF1 expression				Positive	TFF2 expression				Positive
						rate (%)					rate(%)
		-	+	++	+++		-	+	+ +	+++
Moderately-and well-differentiated carcinoma	21	0	2	15	4	81	0	0	14	7	100
poorly- differentiated carcinoma	14	7	3	4	0	50	2	5	7	0	85.7