Predictive value of positive lymph node ratio in patients with locally advanced gastric remnant cancer

Table 3 Factors correlated with lymph node ratio stage

Variables	LNR0	LNR1	LNR2	LNR3	F/χ2	P value
Metastatic lymph nodes	0.00 ± 0.00	1.75 ± 1.29	6.63 ± 5.51	7.74 ± 5.12	21.263	0.000
Tumor diameter	3.96 ± 1.67	5.38 ± 2.05	6.66 ± 2.32	7.13 ± 3.01	8.755	0.000
Borrmann					21.878	0.009
Borrmann I	3	0	0	4
Borrmann II	9	1	3	0
Borrmann III	15	10	11	10
Borrmann IV	0	1	2	5
Depth of tumor invasion					12.470	0.006
T2/T3	10	2	0	1
T4	17	10	16	18
Serum tumor biomarkers level					8.654	0.034
Normal	22	6	11	8
Abnormal	5	6	5	11
TNM stage					54.986	0.000
IB-II	24	2	0	0
III	3	10	16	19
Vascular or nerve invasion					8.616	0.035
Yes	8	8	5	2
No	19	4	11	7

LNR: Lymph node ratio; TNM stage: Tumor-node metastasis stage.