Prognostic impact of metastatic lymph node ratio on gastric cancer after curative distal gastrectomy

Table 2 Univariate analysis of variables for gastric cancer patients after curative distal gastrectomy

Parameters	n	5-yr survival (%)	χ2	P
Gender			< 0.001	0.991
Male	467	58.1
Female	167	56.3
Age (yr)			0.641	0.423
< 60	370	58.9
≥ 60	264	56.0
Tumor size (cm)			4.409	0.036
≤ 4	343	61.0
> 4	291	53.6
Tumor location			5.693	0.058
Lower	521	57.7
Middle	71	63.7
Lower and Middle	42	45.4
Digestive tract construction			5.508	0.064
Billroth I	469	60.7
Billroth II	148	48.5
Roux-en-Y	17	51.0
Pathology			9.135	0.003
Differentiated	140	68.1
Undifferentiated	494	54.6
Depth of invasion			70.466	0.000
pT1	118	90.6
pT2	174	64.4
pT3	342	42.9
pN category			142.279	0.000
pN0	195	83.3
pN1	232	59.3
pN2	156	33.9
pN3	51	20.0
rN category			217.494	0.000
rN0	195	83.3
rN1	172	68.6
rN2	156	40.7
rN3	111	17.2