Table 3 Risk factors for DFS and OS by multivariate analysis

 Male

1

1

 Female

0.02*

0.48

0.26–0.86

0.03*

0.45

0.22–0.92

 Without

1

1

 With

< 0.01*

3.00

1.49–6.02

< 0.01*

5.36

2.62–10.98

 Normal

1

 Elevated

0.05*

1.70

1.00–2.89

CA19-9 level

 Normal

1

 Elevated

< 0.01*

2.54

1.33–4.85

BMI (kg/m²)

0.05*

0.92

0.84–1.00

 N₀

1

 N_{1 +} N₂

0.02*

2.01

1.15–3.51

 Low

1

1

 High

< 0.01*

0.32

0.16–0.61

< 0.01*

0.23

0.09–0.55