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Table 2 Univariate and multivariate cox regression model of overall survival for advanced PBTC

From: A nomogram for predicting survival in patients with advanced (stage III/IV) pancreatic body tail cancer: a SEER-based study

Variables

Univariate analysis

Multivariate analysis

HR

95% CI

P

HR

95% CI

P

Age

 < 65

Ref

     

 ≥ 65

1.491

1.324–1.678

0.000

1.355

1.202–1.528

0.000

Sex

 Male

Ref

     

 Female

0.945

0.841–1.061

0.339

   

Race

 White

Ref

     

 Black

1.041

0.89–1.218

0.612

   

 Others

0.987

0.783–1.244

0.912

   

Grade

 I (Well)

Ref

     

 II (Moderately)

2.328

1.913–2.832

0.000

2.280

1.863–2.790

0.000

 III (Poorly)

3.159

2.597–3.844

0.000

2.854

2.326–3.502

0.000

 IV (Undifferentiated)

2.379

1.589–3.561

0.000

2.419

1.610–3.636

0.000

AJCC stage

 III

Ref

     

 IV

1.306

1.126–1.514

0.000

   

T stage

 T1

Ref

     

 T2

1.755

1.175–2.620

0.006

1.029

0.687–1.540

0.891

 T3

1.246

0.837–1.856

0.279

0.941

0.629–1.408

0.769

 T4

1.393

0.937–2.069

0.101

0.955

0.633–1.442

0.827

N stage

 N0

Ref

     

 N1

0.953

0.846–1.073

0.424

1.246

1.101–1.409

0.000

M stage

 M0

Ref

     

 M1

1.306

1.126–1.514

0.000

1.233

1.017–1.494

0.033

Surgery

 No

Ref

     

 Yes

0.337

0.290–0.391

0.000

0.350

0.297–0.413

0.000

Radiotherapy

 No

Ref

     

 Yes

0.735

0.618–0.873

0.000

0.891

0.740–1.072

0.221

Chemotherapy

 No

Ref

     

 Yes

0.972

0.858–1.102

0.662

0.699

0.612–0.798

0.000

  1. PBTC pancreatic body tail cancer, HR hazard ratio, CI confidence intervals AJCC American joint committee on cancer
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BMC Gastroenterology

ISSN: 1471-230X

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