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Table 2 Univariate analysis of factors associated with overall survival and cancer-specific survival of M-CLM

From: Surgery improves the prognosis of colon mucinous adenocarcinoma with liver metastases: a SEER-based study

Variable

OS

CSS

HR(95%CI)

P

HR(95%CI)

P

Race

 White

1

0.064

1

0.025

 Black

0.735 (0.543–0.996)

0.047

0.691 (0.506–0.944)

0.020

 Others

0.562 (0.317–0.999)

0.050

0.502 (0.273–0.924)

0.027

Age (years)

  ≤ 60

1

 

1

 

 >60

1.128 (0.876–1.453)

0.349

1.066 (0.821–1.385)

0.629

Sex

 Female

1

 

1

 

 Male

0.886 (0.698–1.124)

0.319

0.888 (0.693–1.139)

0.350

CEA

 Normal

1

0.429

1

0.281

 Elevated

1.195 (0.800–1.784)

0.385

1.379 (0.890–2.138)

0.151

 Unknown

1.324 (0.861–2.035)

0.202

1.456 (0.911–2.328)

0.117

Size (cm)

  ≤ 5

1

0.153

1

0.192

 >5

1.189 (0.922–1.533)

0.182

1.157 (0.888–1.508)

0.281

 Unknown

1.455 (0.964–2.197)

0.074

1.463 (0.955–2.241)

0.081

Tumor number

 Solitary

1

 

1

 

 Multiple

1.244 (0.921–1.681)

0.155

1.073 (0.772–1.492)

0.675

Location

 Right colon

1

0.996

1

0.939

 Transverse colon

1.003 (0.675–1.492)

0.987

1.038 (0.687–1.567)

0.859

 Left colon

0.989 (0.759–1.290)

0.937

1.049 (0.797–1.380)

0.734

Differentiation

 Grade I/II

1

0.528

1

0.547

 Grade III/IV

1.000 (0.754–1.326)

0.998

1.013 (0.755–1.358)

0.933

 Unknown

1.221 (0.855–1.745)

0.271

1.229 (0.847–1.783)

0.278

pT stage

 0–2

1

0.004

1

0.002

 3–4

0.603 (0.392–0.929)

0.022

0.570 (0.367–0.888)

0.013

 Unknown

1.104 (0.610–1.997)

0.745

1.105 (0.602–2.028)

0.747

pN stage

 N0

1

0.117

1

0.192

 N+

0.844 (0.629–1.134)

0.261

0.892 (0.652–1.219)

0.473

 Unknown

1.502 (0.787–2.867)

0.217

1.570 (0.796–3.097)

0.193

Surgery type

 No surgery

1

< 0.001

1

< 0.001

 Surgery to primary or metastatic lesion

0.506 (0.349–0.734)

< 0.001

0.497 (0.337–0.735)

< 0.001

 Both

0.314 (0.198–0.497)

< 0.001

0.330 (0.205–0.531)

< 0.001

 Others

1.080 (0.259–4.509)

0.916

1.201 (0.286–5.037)

0.802