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Table 3 Multivariate analyses for DSS when patients were stratified by age

From: Clinical characteristics associated with primary cardiac angiosarcoma outcomes: a surveillance, epidemiology and end result analysis

Factor

Category

Multivariable analysis

Age < 45

Age ≥ 45

HR

95% CI

P value

HR

95% CI

P value

Race

White

  

0.963

  

0.006

Black

1.029

0.479–2.213

0.941

3.141

1.419–6.953

0.005

Other

1.139

0.452–2.870

0.783

0.635

0.283–1.427

0.272

Histological grade

I

  

0.952

   

II

0.000

 

0.838

  

0179

III

1.602

0.116–22.162

0.725

0.158

0.014–1.742

0.132

IV

1.478

0.095–22.982

0.780

0.076

0.007–0.892

0.040

Unknown

1.165

0.094–14.448

0.906

0.182

0.019–1.704

0.135

Summary stage

Localized

  

0.105

  

0.024

Regional

0.649

0.279–1.509

0.315

0.517

0.173–1.542

0.236

Distant

1.795

0.796–4.048

0.158

1.435

0.467–4.412

0.529

Unstaged

5.158

0.570–46.644

0.144

0.097

0.010–0.965

0.047

TNM stage

I

     

0.715

II

  

0.372

9.084

0.368–224.343

0.177

III

0.191

0.023–1.621

0.129

3.737

0.082–170.500

0.499

IV

0.353

0.010–12.959

0.571

7.275

0.173–306.609

0.299

Unknown

0.183

0.024–1.396

0.101

3.437

0.189–62.429

0.404

Tumour size

< 3 cm

  

0.199

  

0.179

3 cm–5 cm

3.704

0.504–27.233

0.198

2.694

0.493–14.711

0.252

> 5 cm

6.424

0.760–54.292

0.088

5.023

1.026–24.598

0.046

Unknown

7.984

0.941–67.734

0.057

3.820

0.768–19.000

0.101

LN metastases

No

  

0.325

  

0.498

Yes

4.595

0.619–34.081

0.136

0.550

0.162–1.871

0.339

Unknown

0.000

0.000–2.237E+49

0.877

0.525

0.146–1.888

0.324

Distant metastases

No

  

0.720

  

0.237

Yes

0.311

0.017–5.577

0.428

0.160

0.016–1.609

0.120

Unknown

32,140.430

0.000–1.281E+58

0.869

1.779

0.372–8.510

0.471

Radiation

Yes/no, unknown

1.378

0.692–2.744

0.362

2.205

1.167–4.166

0.015

Surgery

Yes/no, unknown

0.947

0.490–1.831

0.429

2.212

1.084–4.516

0.029