Prognostic significance of metastatic lymph node ratio: the lymph node ratio could be a prognostic indicator for patients with gastric cancer

Table 2 Univariate Analysis of 221 Patients with curative gastrectomy

Variables	Median survival (month)	p value
Sex		0.824
Male	44.0
Female	41.0
Age (years)		0.482
≥ 65	41.0
< 65	42.0
Grade		< 0.001
Well or moderately differentiated	61.0
Poorly differentiated	36.0
Location		0.405
Lower	40.5
Middle	45.0
Upper	50.0
T stage		< 0.001
T1	64.0
T2	59.0
T3	41.5
T4	25.0
N stage		< 0.001
N0	60.0
N1	47.0
N2	31.0
N3	18.5
TNM stage		< 0.001
I	62.0
II	47.0
III	26.0
LN		0.895
< 15	44.0
≥ 15	41.5
LNR		< 0.001
0	60.0
0–0.13	47.0
0.13–0.4	35.5
> 0.4	17.0

The depth of primary tumor invasion (T stage), classification of regional metastasis lymph nodes (N stage) and TNM stage were based on the 7th edition TNM staging system; LN: number of lymph nodes examined; LNR: ratio between the positive lymph nodes and the total number of lymph nodes examined

ISSN: 1477-7819