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

Table 1 Clinical and histopathology data of all 221 patients

Variables	Number of patients	Percent (%)
Sex
Male	160	72.4
Female	61	27.6
Age (years)
≥ 65	100	45.2
< 65	121	54.8
Grade
Well or moderately differentiated	51	23.1
Poorly differentiated	170	76.9
Location
Lower	180	81.4
Middle	13	5.9
Upper	28	12.7
T stage
T1	23	10.4
T2	39	17.6
T3	98	44.3
T4	61	27.6
N stage
N0	67	30.3
N1	46	20.8
N2	34	15.4
N3	74	33.5
TNM stage
I	43	19.5
II	63	28.5
III	115	52.0
LN
< 15	43	19.5
≥ 15	178	80.5
LNR
0	68	30.8
0–0.13	47	21.3
0.13–0.4	54	24.4
> 0.4	52	23.5

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