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

Table 4 Prognostic factors of gastric remnant cancer based on univariate log-rank test

Variable	n	Median survival time (months)	P value
Tumor diameter (cm)			0.013
< 5.5	35	48.0
≥ 5.5	39	25.0
Anemia (HGB) < 90 g/L			0.034
Yes	24	23.0
No	50	37.0
Serum tumor biomarkers level			0.014
Normal	47	37.0
Abnormal	27	26.0
Vascular or nerve invasion			0.020
Yes	33	25.0
No	41	43.0
Combined resection			0.021
Yes	26	25.0
No	48	39.0
N stage			0.000
N0	27	61.0
N1	13	31.0
N2	18	19.0
N3	16	20.0
LNR stage			0.000
LNR0	27	61.0
LNR1	12	31.0
LNR2	16	23.0
LNR3	19	17.0
TMN stage			0.000
IB-II	26	79.0
III	48	25.0

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