Table 2. Univariate analysis of the overall survival in local, late-stage gastric cancer patients.

Variables	n	5-year survival rate %	Median survival (months)	P value
All 1101 gastric cancer patients
Tumour location				<0.001
Gastric cardia	485	40	60.1
Middle	175	27	48.6
Antrum	393	51	60.3
Total stomach	13	32	41.6
Remnant stomach	35	0	37.4
Tumour size				<0.001
<3 cm	167	64	67.4
≥3 cm	934	37	58.9
Borrmann type				<0.001
I	32	44	53.4
II	530	38	63.6
III	394	36	49.8
IV	52	18	32.4
Histological grade				0.007
High-differentiation	10	90	76.4
Median-differentiation	281	50	58.4
Low-differentiation	596	36	60.9
Poor-differentiation	214	33	52.4
T staging				<0.001
T1	93	93	80.1
T2	65	77	65.9
T3	41	77	70.3
T4a	714	35	58.9
T4b	188	21	39.6
N staging				<0.001
N0	351	49	64.5
N1	219	53	75.7
N2	224	47	48.5
N3a	233	29	39.9
N3b	74	19	31.5
Lymph nodes harvested				0.003
0–14	346	33	44.1
15–29	601	38	64.0
30–	154	38	50.6
Restaged N staging				<0.001
N0	351	49	74.6
N1	161	57	64.9
N2	219	53	54.5
N3a	296	27	37.7
N3b	74	19	31.6