Table 3 The Cox proportional hazards multivariate regression model with the variables associated with survival with a p value < 0.010 in a univariate setting of Cox proportional hazards regression. Patient age or sex, type of gastrectomy or lymphadenectomy, tumor location, or neoadjuvant treatment were not associated with survival in this cohort

En bloc vs dissected

0.01

0.918

0.96

0.43–2.13

Recovered lymph nodes 15 or less vs 16 or more

9.87

0.002

0.18

0.06–0.53

Open vs laparoscopic

2.18

0.139

0.44

0.15–1.31

pT0-1

5.75

0.124

 pT2

0.07

0.794

1.31

0.18–9.80

 pT3

1.78

0.182

3.06

0.59–15.84

 pT4

3.85

0.050

5.61

1.00–31.48

pN0

15.52

0.001

 pN1

2.24

0.134

2.69

0.74–9.78

 pN2

12.06

 < 0.001

9.42

2.66–33.39

 pN3

9.73

0.002

7.50

2.11–26.59

Tumor size ≤ 2 cm

0.53

0.913

  > 2 cm, ≤ 4 cm

0.20

0.652

0.72

0.18–2.96

  > 4 cm, ≤ 6 cm

0.46

0.498

0.56

0.10–3.03

  > 6 cm

0.39

0.531

0.59

0.11–3.09