Research Article

Clinical Significance of Lymph Node Micrometastasis in pN0 Gastric Cancer Patients

Table 3

Association of clinicopathological factors with a 5-year survival rate.

Clinicopathological factorsNo. (%)5-year survival rate (%) value

Gender0.54
 Male122 (70.9)60
 Female50 (29.1)54.9
Age0.95
 ≤6098 (57.0)58.1
 ≥6074 (43.0)55.1
Tumor size (cm)0.01
 ≤231 (18.0)96.8
 2~579 (45.9)57
 ≥562 (36.1)35.5
Tumor differentiation0.00
 High or moderate differentiation47 (27.3)87.5
 Low differentiation125 (72.7)47
Level 2 LNMM0.01
 Positive72 (41.9)42
 Negative100 (58.1)76.4
The depth of tumor invasion0.01
 T119 (11.1)86.1
 T226 (15.1)72.3
 T3101 (58.7)56.4
 T426 (15.1)27.8
Operation mode0.07
 Total gastrectomy119 (69.2)59.9
 Distal gastrectomy53 (30.8)37.5
Neural invasion0.42
 Yes37 (21.5)51.4
 No135 (78.5)57.8
Lauren classification0.01
 Diffusive type104 (60.5)48.1
 Intestinal type68 (39.5)69.1
TNM staging0.01
 IA19 (11.1)86.1
 IB26 (15.1)72.3
 IIA101 (58.8)56.4
 IIB19 (11.1)30.1
 III7 (9.9)21.8
Lymphatic infiltration0.01
 Yes96 (55.8)43.8
 No76 (44.2)72.4

LNMM: lymph node micrometastasis; TNM: tumor node metastasis; .