Expression of human chorionic gonadotropin, CD44v6 and CD44v4/5 in esophageal squamous cell carcinoma

Table 1 Correlation between expression of HCG and differentiation degree, lymph node metastasis of esophageal squamous cell carcinoma

Pathologiccharacteristics	n	Positive expression				Positiverates (%)	χ2	P
		-	+	++	+++
Differentiation
Degree
I	13	2	3	3	5	84.62
II	17	5	4	2	6	70.59	2.122	>0.05
III	12	5	2	3	2	58.33
Lymph node metastasis
Positive	21	3	5	4	9	85.71
Negative	21	9	4	4	4	57.14	4.2	<0.05
Tumor focus
Primary	21	3	5	5	8	85.71
Metastasis	21	4	7	6	4	80.95	0.171	>0.05

Table 2 Correlation between expression of CD44v6 and differentiation degree, lymph node metastasis of esophageal squamous cell carcinoma

Pathologiccharacteristics	n	Positive expression				Positiverates (%)	χ2	P
		-	+	++	+++
Differentiation
Degree
I	13	3	3	4	3	76.92
II	17	8	5	1	3	52.94	4.788	>0.05
III	12	8	2	2	0	33.33
Lymph node metastasis
Positive	21	6	7	3	5	71.43
Negative	21	13	5	3	0	38.09	4.709	<0.05
Tumor focus
Primary	21	6	7	2	6	71.43
Metastasis	21	8	7	4	2	61.9	0.429	>0.05

Table 3 Correlation between expression of CD44v4/5 and differentiation degree, lymph node metastasis of esophageal squamous cell carcinoma

Pathologiccharacteristics	n	Positive expression				Positiverates (%)	χ2	P
		-	+	++	+++
Differentiation
Degree
I	13	4	5	3	1	69.23
II	17	6	7	3	1	64.71	2.286	>0.25
III	12	7	4	1	0	41.67
Lymph node metastasis
Positive	21	5	10	4	2	76.19
Negative	21	12	6	3	0	42.86	4.842	<0.05
Tumor focus
Primary	21	5	10	4	2	76.19
Metastasis	21	6	12	3	0	71.43	0.123	>0.5