Expression of E-cadherin in gastric carcinoma and its correlation with lymph node micrometastasis

Table 1 Correlation between LNM and clinicopathologic characteristics.

Variable	Patients (n)	LNM
		Negative (%)	Positive (%)	P
Gender
Male	17	9 (52.9)	8 (47.1)
Female	13	7 (53.8)	6 (46.2)	P = 1.000
Age
<50 yr	10	4 (40)	6 (60)
≥R50 yr	20	12 (60)	8 (40)	P = 0.442
Superficial diameter
<5 cm	17	9 (52.9)	8 (47.1)
≥R5 cm	13	7 (53.8)	6 (46.2)	P = 1.000
Tumor location
Upper/middle third	17	8 (47.1)	9 (52.9)
Lower third	13	8 (61.5)	5 (38.5)	P = 0.484
Histologic type
Intestinal	11	9 (81.8)	2 (18.2)
Diffuse	19	7 (36.8)	12 (63.2)	P = 0.026
Depth of invasion
T1/T2	21	14 (66.7)	7 (33.3)
T3/T4	9	2 (22.2)	7 (77.8)	P = 0.046
Histologic differentiation
Well/moderate	13	9 (69.2)	4 (30.8)
Poor	17	7 (58.8)	10 (41.2)	P = 0.159
Lymphatic invasion
Positive	18	7 (38.9)	11 (61.1)
Negative	12	9 (75)	3 (25)	P = 0.072
Vascular invasion
Positive	5	3 (60)	2 (40)
Negative	25	13 (52)	12 (48)	P = 1.000