Table 8. IHC expression of EMT-related markers vs. serum levels of CA 19–9.

Carbohydrate Antigen 19–9
	<37.00	37.00 +	p-value
Number	86	22
E-cadherin			0.293
+1	3 (3.49)	1 (4.55)
+2	9 (10.47)	5 (22.73)
+3	74 (86.05)	16 (72.73)
β-catenin			0.01*
0	30 (35.29)	16 (72.73)
+1	27 (31.76)	5 (22.73)
+2	23 (27.06)	1 (4.55)
+3	5 (5.88)	0 (0.00)
Claudin-1			0.148
0	5 (5.81)	3 (13.64)
+1	32 (37.21)	5 (22.73)
+2	31 (36.05)	12 (54.55)
+3	18 (20.93)	2 (9.09)
CD44			0.621
0	6 (7.06)	0 (0.00)
+1	29 (34.12)	8 (36.36)
+2	38 (44.71)	10 (45.45)
+3	12 (14.12)	4 (18.18)
CD44			0.682
0 or +1	35 (41.18)	8 (36.36)
+2 or+3	50 (58.82)	14 (63.64)
N-cadherin			1.000
0	82 (96.47)	22 (100.00)
+1	3 (3.53)	0 (0.00)
Fibronectin			0.141
0	9 (10.47)	1 (4.55)
+1	45 (52.33)	17 (77.27)
+2	30 (34.88)	11 (31.43)
+3	2 (2.33)	1 (4.55)
Vimentin			1.000
negative	86 (100.00)	22 (100.00)
S100A4			0.917
0	24 (27.91)	7 (31.82)
+1	35 (40.70)	9 (40.91)
+2	17 (19.77)	3 (13.64)
+3	10 (11.63)	3 (13.64)