Clinical value of regional lymph node sorting in gastric cancer

Table 3 Binary logistic regression analysis of risk factors of lymph node metastasis in the second dissection station (n = 123)

	B	SE	Wald	df	P value	OR	95%CI
							Upper	Lower
Tumor location
U			1.067	2	0.587
M	-0.087	0.460	0.036	1	0.850	0.917	0.372	2.258
L	-0.346	0.421	0.675	1	0.411	0.708	0.310	1.615
Immersion depth
T1			5.468	3	0.141
T2	1.872	0.829	5.092	1	0.024	6.500	1.279	33.034
T3	1.504	0.850	3.132	1	0.077	4.500	0.851	23.801
T4	1.464	0.865	4.567	1	0.033	4.324	1.129	16.557
Differentiation degree
DCA/UCA	0.415	0.282	2.201	1	0.138	1.515	0.875	2.621
The number of positive lymph nodes (pieces)
≤ 6/> 6	1.707	0.305	31.284	1	< 0.001	5.514	3.031	10.029

OR: Odds ratio; CI: Confidence interval; U: Upper third; M: Middle third; L: Lower third; DCA: Differentiated carcinoma; UCA: Undifferentiated carcinoma; df: Degree of freedom.