Table 3 Multivariate analysis of Cox regression for 5-year RFS and OS in left-side colon cancer

 Female

1

1

 Male

1.265 (1.003–1.594)

0.047

1.352(1.085–1.683)

0.007

 < 50 year-old

1

1

 50–65 year-old

0.865 (0.625–1.196)

0.380

0.881(0.607–1.278)

0.504

 65–80 year-old

0.825 (0.589–1.156)

0.264

1.649(1.162–2.341)

0.005

 ≥80 year-old

0.809 (0.482–1.359)

0.424

2.191(1.424–3.370)

< 0.001

 ≥5 ng/mL

1

1

 < 5 ng/mL

0.504 (0.400–0.634)

< 0.001

0.502(0.404–0.624)

<  0.001

 ≥ 2.87

1

1

 <  2.87

0.906 (0.710–1.156)

0.425

0.697(0.558–0.870)

0.001

 Adenocarcinoma

1

1

 Signet ring cell

0.918 (0.316–2.668)

0.876

1.213(0.429–3.426)

0.716

 Mucinous

0.965 (0.575–1.620)

0.894

0.918(0.554–1.522)

0.740

 Poorly

1

1

 Moderate

0.658(0.422–1.026)

0.065

0.625(0.397–0.986)

0.044

 Well

0.539(0.280–1.035)

0.063

0.647(0.354–1.183)

0.157

 <  12

1

1

 ≥ 12

0.705 (0.549–0.906)

0.006

0.655(0.522–0.823)

< 0.001

 IIIA

1

1

 IIIB

2.494 (1.339–4.642)

0.004

1.679 (1.049–2.686)

0.031

 IIIC

4.414(2.318–8.408)

< 0.001

2.482 (1.495–4.122)

< 0.001

 No

1

1

 Yes

1.054 (0.750–1.482)

0.760

0.524(0.404–0.681)

< 0.001