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Table 4 Multivariable adjusted hazards ratios for epithelial ovarian cancer mortality by race, SEER 2000–2010

From: Availability of healthcare resources and epithelial ovarian cancer stage of diagnosis and mortality among Blacks and Whites

  Blacks AHR (95% CI) Whites AHR (95% CI) p-interactionc
HCA Onlya HCA and SESb HCA Onlya HCA and SESb  
Healthcare Availability
% Uninsured      0.3326
 < 25th percentile 1.12 (0.90–1.38) 1.24 (0.91–1.68) 0.95 (0.90–0.99) 1.00 (0.93–1.07)  
 25 – 75th percentile 1.11 (0.95–1.29) 1.08 (0.86–1.35) 0.94 (0.90–0.97) 0.98 (0.93–1.03)  
 > 75th percentile (Ref) Ref Ref Ref Ref  
# Hospitals      0.1093
 < 25th percentile 0.73 (0.57–0.94) 0.83 (0.63–1.08) 0.96 (0.90–1.02) 0.97 (0.91–1.03)  
 25 – 75th percentile 0.94 (0.77–1.14) 0.95 (0.78–1.16) 0.99 (0.94–1.05) 1.00 (0.95–1.05)  
 > 75th percentile (Ref) Ref Ref Ref Ref  
# Oncology Hospitals      0.5587
 < 25th percentile 0.92 (0.76–1.12) 0.94 (0.76–1.16) 0.96 (0.91–1.01) 0.97 (0.91–1.02)  
 25 – 75th percentile 1.12 (0.96–1.31) 1.13 (0.95–1.34) 0.96 (0.92–1.00) 0.97 (0.93–1.01)  
 > 75th percentile (Ref) Ref Ref Ref Ref  
# Medical Doctors      0.8371
 < 25th percentile 1.20 (0.88–1.63) 1.18 (0.87–1.61) 1.12 (1.04–1.21) 1.12 (1.03–1.21)  
 25 – 75th percentile 1.02 (0.84–1.24) 1.04 (0.85–1.26) 1.07 (1.01–1.14) 1.06 (0.997–1.13)  
 > 75th percentile (Ref) Ref Ref Ref Ref  
# OB/GYN      0.8834
 < 25th percentile 1.02 (0.75–1.39) 1.00 (0.72–1.38) 1.01 (0.93–1.08) 1.00 (0.92–1.09)  
 25-75th percentile 1.08 (0.89–1.31) 1.04 (0.85–1.27) 1.00 (0.94–1.07) 1.01 (0.94–1.08)  
 > 75th percentile (Ref) Ref Ref Ref Ref  
# Hospitals with Ultrasound      0.5357
 < 25th percentile 1.06 (0.83–1.36) 1.05 (0.82–1.35) 1.00 (0.93–1.07) 0.99 (0.93–1.07)  
 25-75th percentile 0.95 (0.79–1.13) 0.94 (0.79–1.13) 0.97 (0.92–1.02) 0.96 (0.91–1.01)  
 > 75th percentile (Ref) Ref Ref Ref Ref  
  1. aAdjusted for age, surgery of primary site, late stage diagnosis and seer registry
  2. bAdditionally adjusted for county level SES variables
  3. cFor interaction terms between race and each HCA variable
  4. # Number per million population
  5. Bold indicates significance (p value ≤0.05)