Table 3 Univariate and multivariate analysis of overall survival

Age: < 65 years vs. ≥ 65 years

1.096 (0.424–2.832)

0.850

–

–

Sex: male vs. female

1.006 (0.288–3.522)

0.992

–

–

Type of surgery: SG vs. TG

0.548 (0.200–1.502)

0.243

0.924 (0.308–2.788)

0.888

Combined resection: yes vs. no

1.303 (0.507–3.352)

0.583

-

–

Location: anastomotic site vs. gastric body

0.133 (0.042–0.425)

0.001

0.262 (0.074–0.933)

0.039

Histology type: undifferentiated vs. differentiated

3.597 (1.323–9.777)

0.012

2.820 (1.007–7.897)

0.048

Tumor size: > 5 cm vs. ≤ 5 cm

1.432 (0.552–3.719)

0.460

–

–

Interval: < 30 years vs ≥ 30 years

1.149 (0.444–2.977)

0.774

–

–

Stage: III vs. (II and I)

5.698 (1.301–24.961)

0.021

3.738 (0.808–17.295)

0.092

Chemotherapy: yes vs. no

1.320 (0.469–3.716)

0.599

-

–