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Table 2 Selected variables in the SEER database by multivariate Cox regression analysis (training cohort)

From: A novel nomogram for predicting cancer-specific survival in women with uterine sarcoma: a large population-based study

Variable

Hazard ratio

95% CI

p value

Age at diagnosis

1.0116

1.0061–1.0172

< 0.001***

Race

 White

Reference

  

 Black

1.1698

1.0225–1.3383

0.022*

 Other

0.8481

0.6698–1.0739

0.171

Marital status

 Married

Reference

  

 Single

1.2181

1.0436–1.4217

0.012*

 SDW

1.2965

1.1230–1.4969

< 0.001***

 Other

1.2816

0.9740–1.6863

0.076

Insurance record

 Yes

Reference

  

 No

1.4851

1.1367–1.9404

0.004**

Tumor size

 ≤ 50 mm

Reference

  

 > 50 mm

1.4861

1.2674–1.7425

< 0.001***

 Unknown

1.3345

1.0802–1.6487

0.007**

Pathological grade

 I

Reference

  

 II

1.3135

0.7662–2.2518

0.321

 III

7.3773

4.5441–11.9771

< 0.001***

 IV

7.0185

4.3528–11.3165

< 0.001***

Histological type

 Sarcoma

Reference

  

 Leiomyosarcoma

0.6550

0.4839–0.8866

0.006**

 Adenosarcoma

0.6288

0.3919–1.0089

0.054

 Stromal sarcoma

0.9274

0.6623–1.2984

0.661

 Carcinosarcoma

0.6099

0.4535–0.8202

0.001**

SEER stage

 Localized

Reference

  

 Regional

1.8809

1.3831–2.5580

< 0.001***

 Distant

2.5199

1.6708–3.8005

< 0.001***

AJCC stage

 I

Reference

  

 II

1.0136

0.7096–1.4478

0.941

 III

1.7459

1.2843–2.3735

< 0.001***

 IV

2.2275

1.4818–3.3484

< 0.001***

Surgery status

 Yes

Reference

  

 No/unknown

2.7559

2.2503–3.3751

< 0.001***

Radiotherapy status

 Yes

Reference

  

 No/unknown

1.3267

1.1567–1.5216

< 0.001***

Chemotherapy status

 Yes

Reference

  

 No/unknown

1.5355

1.3509–1.7453

< 0.001***

  1. SDW Separated, divorced, and widowed, SEER Surveillance, Epidemiology, and End Results, HR hazard ratio, AJCC American Joint Committee on cancer
  2. *p < 0.05, **p < 0.01, ***p < 0.001