Table 2 Prognostic factors for overall survival of patients with gastric cancer

Age at diagnosis

 < 60

1.000

 ≥ 60

1.628

0.878–3.021

0.122

Gender

 Male

1.000

 Female

1.116

0.571–2.181

0.748

Tumor size (cm)

 < 5

1.000

 ≥ 5

1.298

0.706–2.387

0.748

Histologic type

 Adenocarcinoma

1.000

 Signet ring cell carcinoma

1.441

0.348–5.969

0.614

Degree of differentiation

 Medium-low/Medium/High

1.000

 Low

1.167

0.637–2.140

0.617

Location

 Other locations

1.000

 Middle third

2.179

1.109–4.281

0.024

2.723

1.334–5.520

0.005

Depth of invasion

 T1/T2

1.000

 T3/T4

3.705

1.142–12.017

0.029

3.357

1.007–11.186

0.049

Lymph node status

 N0/N1/N2

1.000

 N3

5.676

2.953–10.910

< 0.001

5.287

2.723–10.265

< 0.001

Distant metastasis

 M0

1.000

 M1

3.305

1.001–10.914

0.049

TNM stage

 Stage I/II

1.000

 Stage III/IV

4.214

1.651–10.751

0.003