Adjuvant Chemotherapy in Node-Negative Advanced Gastric Cancer Patients

Table 1

Demographic and clinical characteristics: surgery-only patients and adjuvant chemotherapy treatment patients.

Variables	Number	Surgery group	Chemotherapy group	value
All cases	363	194	169
Age (years)				0.373
≤60	206	114	92
>60	157	80	77
Gender				0.295
Male	250	129	121
Female	113	65	48
Location				0.589
Distal	143	73	70
Proximal	211	115	96
Total	9	6	3
Tumor size(cm)				0.796
<5	215	114	101
≥5	148	80	68
Differentiation				0.102
G1	157	82	75
G3/G2	206	112	94
T stage				0.675
T2	83	47	37
T3	100	55	45
T4a	168	86	82
Tb	12	6	5
Retrieved lymph nodes				0.423
<15	227	125	102
≥15	136	69	67
Lymphovascular invasion				0.193
No	352	186	166
Yes	11	8	3