	Ki-67 labeling index				Test significance
	Low Ki-67 score		High Ki-67 score
	No.	%	No.	%
Age
<50	6	54.5	25	40.3	0.77^† P = 0.29
≥50	5	45.5	37	59.7	0.77^† P = 0.29
Sex
Male	3	27.3	38	61.3	4.39^‡ P = 0.039*
Female	8	72.7	24	38.7	4.39^‡ P = 0.039*
Histological type
Intestinal	10	90.9	45	72.6	1.744^‡ P = 0.418
Diffuse	1	9.1	15	24.2
Mixed	0	0.0	2	3.2
Histological grade
Moderately differentiated	10	90.9	32	51.6	5.90^‡ P = 0.014^*
Poorly differentiated	1	9.1	30	48.4	5.90^‡ P = 0.014^*
Pathologic tumor stage
T1,2	2	18.2	12	19.4	0.01^‡ P = 0.92
T3,4	9	81.8	50	80.6	0.01^‡ P = 0.92
Lymph node metastasis
Present	8	27.3	44	71.0	0.014^‡ P = 0.609
Absent	3	72.7	18	29.0	0.014^‡ P = 0.609
Pathologic Nodal stage
N0 N1 N2 N3	3 3 2 3	27.3 27.3 18.1 27.3	18 10 17 17	29.03 16.13 27.42 27.42	0.968^‡ P = 0.809
Number of nodes with metastasis
Range Median	0 - 5 1.8		0 - 27 5.0		3.28^§ P = 0.04*
Lymphovascular invasion
Present	7	63.6	45	72.6	0.365^‡ P = 0.391
Absent	4	36.4	17	27.4	0.365^‡ P = 0.391

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