Risk of station 12a lymph node metastasis in patients with lower-third gastric cancer

Table 5 Association between status of other regional lymph nodes and station 12a lymph node metastasis

Variables	No. 12a metastasis	Univariate analysis			Multivariate analysis
		OR	95%CI	P value	OR	95%CI	P value
No. 1 LNs
+	5	6.703	1.860-24.163	0.004
-	13
No. 2 LNs
+	3	4.960	1.076-22.868	0.040
-	15
No. 3 LNs
+	13	7.881	2.608-23.821	< 0.001	7.881	2.608-23.821	< 0.001
-	5
No. 4sa LNs
+	3	3.025	0.723-12.657	0.130
-	15
No. 4sb LNs
+	7	4.836	1.626-14.383	0.005
-	11
No. 4d LNs
+	0	0.000	0.000	0.999
-	18
No .5 LNs
+	4	3.065	0.860-10.929	0.084
-	14
No. 6 LNs
+	11	3.907	1.407-10.853	0.009
-	7
No. 7 LNs
+	8	3.169	1.138-8.828	0.027
-	10
No. 8a LNs
+	6	3.531	1.163-10.726	0.026
-	12
No. 8p LNs
+	0	0.000	0.000	0.999
-	18
No. 9 LNs
+	2	1.115	0.230-5.403	0.892
-	16
No. 10 LNs
+	0	0.000	0.000	0.999
-	18
No. 11p LNs
+	1	3.735	0.321-43.427	0.292
-	17
No. 11d LNs
+	0	0.000	0.000	1.000
-	18

CI: Confidence interval; OR: Odds ratio; LN: Lymph node.