Tumor size as a prognostic factor in patients with advanced gastric cancer in the lower third of the stomach

Table 1 Correlation between other clinicopathologic characteristics and tumor size n (%)

Factors	LST	SST	P
Gender			0.221
Male	148 (66.7)	150 (72.1)
Female	74 (33.3)	58 (27.9)
Age (yr)			0.209
< 60	119 (53.6)	124 (59.6)
≥ 60	103 (46.4)	84 (40.4)
Histological type			0.039
Differentiated	45 (20.3)	60 (28.8)
Undifferentiated	177 (79.7)	148 (71.2)
Borrmann type			0.000
I/II	50 (22.5)	111 (53.4)
III/IV	172 (77.5)	97 (46.6)
Lymph node metastasis			0.000
pN0	35 (15.8)	70 (33.7)
pN1	41 (18.5)	51 (24.5)
pN2	52 (23.4)	42 (20.2)
pN3	94 (42.3)	45 (21.6)
Depth of invasion			0.000
pT2	28 (12.6)	89 (42.8)
pT3	19 (8.6)	21 (10.1)
pT4a	175 (78.8)	98 (47.1)
TNM stage			0.000
IB	9 (4.1)	36 (17.3)
IIA	14 (6.3)	35 (16.8)
IIB	33 (14.9)	45 (21.6)
IIIA	30 (13.5)	35 (16.8)
IIIB	54 (24.3)	28 (13.5)
IIIC	82 (36.9)	29 (14.0)
Number of lymph nodes	8.02 ± 8.66	3.98 ± 5.65	0.000
MLR			0.000
0	35 (15.8)	70 (33.6)
1	37 (16.7)	46 (22.1)
2	41 (18.5)	43 (20.7)
3	109 (49.0)	49 (23.6)

LST: Large-sized tumor; SST: Small-sized tumor; MLR: Metastatic lymph node ratio; TNM: Tumor-nodes metastasis.