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Table 4 Univariable and multivariable Cox proportional hazard regression analyses for prognostic factors in Surveillance Epidemiology and End Results cohort

From: Postoperative survival effect of the number of examined lymph nodes on esophageal squamous cell carcinoma with pathological stage T1–3N0M0

 

Univariable analysis

Multivariable analysis

HR

95% CI

P-Value

HR

95% CI

P-Value

Sex

 Male

1

reference

 

1

reference

 

 Female

0.843

0.578–1.228

0.374

0.798

0.544–1.171

0.798

Age (years)

  ≤ 60

1

reference

 

1

reference

 

  > 60

0.872

0.581–1.310

0.510

0.909

0.590–1.399

0.664

Tumor length (continuous)

1.008

0.999–1.017

0.099

   

NELNs

  ≤ 15

1

reference

 

1

reference

 

  > 15

0.661

0.442–0.989

0.044

0.650

0.431–0.979

0.039

Tumor differentiation

 Well-moderate

1

reference

 

1

reference

 

 Poor

1.192

0.806–1.763

0.378

1.128

0.756–1.684

0.554

pT stage

 T1

1

reference

 

1

reference

 

 T2-T3

1.792

1.216–2.642

0.003

1.861

1.256–2.756

0.002

Tumor Location

 Upper-middle

1

reference

    

 Lower

0.973

0.662–1.429

0.888

   

Race

 White patients

1

reference

 

1

reference

 

 Other patients

1.035

0.694–1.544

0.865

0.984

0.647–1.497

0.984

  1. NELNs the number of examined lymph nodes; Cox regression’s method was Enter selection
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