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Table 3 Results of sample weighted linear regression: how race & region associated with healthcare utilization

From: Racial disparity and regional variance in healthcare utilization among patients with lung cancer in US hospitals during 2016–2019

 

Hospital Charges

 

Length of Stay

 
 

Est.

P

Est.

P

Race

    

 White

Reference

   

 Black

0.046

< 0.0001

0.056

< 0.0001

 Hispanic

0.211

< 0.0001

0.030

0.001

 Asian or Pacific Islander

0.123

< 0.0001

0.038

0.001

 Native American

-0.127

0.016

0.019

0.600

 Others

0.107

< 0.0001

0.055

< 0.0001

Region

    

 Northeast

Reference

   

 Midwest

-0.224

< 0.001

-0.056

< 0.001

 South

-0.074

< 0.0001

0.001

0.9192

 West

0.247

< 0.0001

-0.059

< 0.0001

Age

-0.008

< 0.0001

0.000

0.043

Sex

    

 Female

Reference

   

 Male

0.029

< 0.001

0.008

0.032

Median household income

   

 76th to 100th percentile

Reference

   

 26th to 50th percentile

-0.057

< 0.0001

0.045

< 0.0001

 51st to 75th percentile

-0.046

< 0.0001

0.024

< 0.0001

 0-25th percentile

-0.066

< 0.001

0.057

< 0.001

Primary payer

    

 Private insurance

Reference

   

 Medicaid

0.063

< 0.0001

0.106

< 0.0001

 Medicare

0.173

< 0.001

0.057

< 0.001

 Self-pay

-0.007

0.730

0.062

< 0.0001

 No charge

0.067

0.267

0.062

0.208

 Other

-0.463

< 0.0001

-0.088

< 0.0001

Severity of Illness

    

 No/Minor comorbidity or complications

Reference

   

 Moderate comorbidity or complications

0.063

< 0.0001

0.259

< 0.0001

 Major comorbidity or complications

0.210

< 0.0001

0.558

< 0.0001

 Extreme comorbidity or complications

0.681

< 0.0001

0.919

< 0.0001

Year

0.064

< 0.0001

-0.002

0.367

Surgery

    

 No

Reference

   

 Yes

0.793

< 0.001

0.305

< 0.001

Chemotherapy

    

 No

Reference

< 0.0001

0.541

< 0.0001

 Yes

0.577

< 0.001

0.541

< 0.001

Radiation

    

 No

Reference

   

 Yes

0.510

< 0.001 

0.387

< 0.001