Table 4 Univariate and multivariate analyses for RSCCs and LSCRs

T stage

2.284 (0.205–25.41)

0.502

0.271 (0.064–1.141)

0.075

LVI

1.219 (0.449–3.306)

0.697

1.198 (0.794–1.807)

0.389

PNI

0.595 (0.211–2.441)

0.717

1.913 (0.806–.542)

0.142

N stage

0.911 (0.267–4.717)

0.847

0.566 (0.131–2.445)

0.446

Regional LNs

0.973 (0.913–1.036)

0.388

0.90 (.929–.013)

0.170

Metastasis LNs

1.040 (0.960–1.126)

0.336

1.04 (0.987–1.112)

0.123

Sex

1.363 (0.693–2.681)

0.369

1.143 (0.735–1.778)

0.553

Diameter of LM

1.705 (0.833–3.491)

0.144

1.75 (.153–2.656)

0.009

Neo-chemo

2.263 (0.931–5.504)

0.072

0.846 (0.424–1.686)

0.635

Histological type

2.696 (1.327–5.476)

0.006

0.313 (0.134–0.729)

0.02

0.519 (0.203–0.923)

0.001

0.346 (0.131–0.913)

0.032

CA199

0.826 (0.426–1.621)

0.578

2.087 (1.371–3.177)

0.001

Number of LM

1.864 (0.886–3.923)

0.101

2.022 (1.274–3.211)

0.003

2.183 (1.243–3.833)

0.007

CEA

1.075 (0.503–2.300)

0.852

2.310 (1.42–624)

0.001

Systemic chemo

0.620 (0.267–1.442)

0.267

0.830 (0.462–1.492)

0.533

Palliative resection

1.041 (0.500–2.179)

0.910

1.767 (11.15–2.716)

0.009

1.767 (1.150–2.716)

0.011