Table 2 Univariate and multivariate logistic analyses of factors related to primary tumor resection in kidney cancer patients with bone metastasis.

From: A dynamic visualization clinical tool constructed and validated based on the SEER database for screening the optimal surgical candidates for bone metastasis in primary kidney cancer

Variables

Univariate analysis

Multivariate analysis

OR

95%CI

P-value

OR

95%CI

P-value

Age

 < 50

Reference

 

 50–70

0.675

0.185–2.463

0.552

   

 > 70

0.373

0.097–1.436

0.152

   

Sex

 Female

Reference

 

 Male

1.396

0.691–2.820

0.353

   

Race

 Black

Reference

Reference

 Other

2.864

0.473–17.351

0.252

2.467

0.353–17.219

0.362

 White

3.105

1.202–8.020

0.019

2.689

0.875–8.267

0.084

Histological type

 8310/3

Reference

Reference

 8312/3

0.930

0.398–2.174

0.866

1.139

0.439–2.955

0.789

 Other

0.252

0.119–0.535

< 0.001

0.381

0.163–0.891

0.026

Laterality

 Left

Reference

 

 Right

0.786

0.416–1.484

0.457

   

Tumor size

 < 40 mm

Reference

 

 40–80 mm

1.290

0.460–3.618

0.629

   

 > 80 mm

0.542

0.197–1.492

0.236

   

Grade

 I–II

Reference

 

 III–IV

0.361

0.116–1.127

0.079

   

 Unknown

0.652

0.201–2.116

0.476

   

T Stage

 T1

Reference

Reference

 T2

0.409

0.135–1.239

0.114

0.638

0.195–2.093

0.459

 T3

0.185

0.070–0.491

0.001

0.329

0.113–0.955

0.041

 T4

0.176

0.058–0.537

0.002

0.395

0.113–1.383

0.146

N Stage

 N0

Reference

Reference

 N1

0.261

0.135–0.505

< 0.001

0.396

0.184–0.851

0.018

Brain metastasis

 No

Reference

 

 Yes

0.599

0.242–1.484

0.268

   

Liver metastasis

 No

Reference

 

 Yes

0.513

0.228–1.155

0.107

   

Lung metastasis

 No

Reference

Reference

 Yes

0.298

0.149–0.594

0.001

0.411

0.190–0.887

0.023

Chemotherapy

 No

Reference

 

 Yes

1.279

0.671–2.438

0.454

   

Radiotherapy

 No

Reference

 

 Yes

1.330

0.705–2.511

0.379

   

Insurance

 No

Reference

 

 Yes

0.403

0.049–3.303

0.397

   

Marital status

 No

Reference

 

 Yes

1.348

0.707–2.572

0.364

   
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