Table 3 Multivariate Cox proportional hazards regression analysis

Primary location

0.603 (0.407–0.893)

0.012

0.569 (0.377–0.858)

0.007

T stage

1.384 (0.190–10.062)

0.748

LVI

1.182 (0.819–1.708)

0.372

PNI

1.456 (0.722–2.937)

0.293

N stage

1.123 (0.267–4.717)

1.123

Regional LNs

0.981 (0.948–1.016)

0.281

Metastasis LNs

1.055 (1.006–1.106)

0.207

Sex

1.260 (0.873–1.817)

0.217

Diameter of LM

1.766 (1.233–2.530)

0.002

2.622 (1.618–4.248)

0.001

Neo-chemo

1.122 (0.654–1.925)

0.676

Histological type

1.733 (1.273–2.357)

0.001

0.194 (0.075–0.501)

0.001

CA199

1.727 (1.209–2.466)

0.003

Number of LM

2.330 (1.279–4.246)

0.006

2.134 (1.420–3.205)

0.001

CEA

1.926 (1.309–2.834)

0.001

1.624 (1.054–2.503)

0.028

Systemic chemo

0.738 (0.458–1.190)

0.213

0.582 (0.350–0.968)

0.037

Palliative resection

1.542 (1.065–2.232)

0.022

1.034 (0.973–1.098)

0.285