Tumor Size Is a Critical Factor in Adjuvant Chemotherapy for T_3-4aN0M0 Gastric Cancer Patients after D2 Gastrectomy

Table 5

Univariate analysis of the overall survival in this group of gastric cancer patients.

Variables	n	Mean survival (months)	value
Postoperative chemotherapy			0.003
With	88	51.23
Without	33	38.93
Tumor location			0.007
Upper	75	51.68
Middle	14	34.24
Lower	21	47.61
Total	11	36.12
Serum CEA level (ng/ml)			0.105
Normal	93	46.19
Elevated	28	45.55
Borrmann type			0.039
I	2	66.48
II	50	53.52
III	65	43.49
IV	4	26.75
Histological grade			0.217
High differentiation	0	—
Median differentiation	46	53.26
Low differentiation	57	43.27
Poor differentiation	18	44.77
T staging			<0.001
T3	97	53.39
T4a	24	26.74
LN harvested			0.479
15–29	106	47.49
≥30	15	49.29