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Table 4 Multivariate predictors of overall survival in UPSC, CC, and grade 3 endometrioid carcinoma

From: Disparities in the surgical staging of high-grade endometrial cancer in the United States

Predictors

Hazard Ratio (Reference = 1)

95% CI

p-value

Stage

I/II

Reference

  

III

3.39

3.28–3.50

<0.001

Age

10-year increase

1.63

1.61–1.66

<0.001

Race

White

Reference

 

<0.001

Black

1.36

1.29–1.42

 

Other

0.92

0.83–1.02

 

Income

  < $38,000

Reference

 

<0.001

$38,000–$47,999

0.96

0.91–1.01

 

$48,000–$62,999

0.92

0.88–0.97

 

   ≥ $63,000

0.83

0.79–0.87

 

Lymph node sampling

No

Reference

 

<0.001

Yes a

0.61

0.59–0.64

 

Surgical Volume

Highest (4 th ) Quartile

Reference

 

0.59

Third Quartile

0.97

0.94–1.02

 

Second Quartile

1.02

0.96–1.08

 

Lowest (1 st ) Quartile

1.01

0.91–1.11

 

Distance to careb

10-mile increase

1.00

0.99–1.00

0.48

  1. aDefined based on the number of regional lymph nodes sampled during surgery. Yes = 1+; No = 0
  2. b“Great circle” distance: defined as the distance between the reporting hospital and the patient’s zip code centroid. Defined here continuously. Results were similar when distance was defined as ≤30 miles versus >30 miles