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Table 2 AMI population characteristics by income quintile (unadjusted)

From: Inequality in treatment use among elderly patients with acute myocardial infarction: USA, Belgium and Quebec

  INCOME QUINTILE
  Q1 Q2 Q3 Q4 Q5
USA      
% CATH 32.1 31.1 31.8 34.5 35.1
% PCI 12.0 11.3 11.6 12.7 13.1
% CABG 0.7 0.7 0.7 0.8 0.8
Average distance to CATH* 58.4 54.2 43.5 27.6 16.2
Average distance to REVASC* 45.2 48.0 37.4 21.1 13.2
% equipped hospitals 51.9 44.6 45.2 51.0 51.1
% total population 10.35 13.84 17.53 24.68 33.60
Quebec      
% CATH 19.2 16.7 17.0 22.2 24.0
% PCI 6.7 5.6 5.9 7.0 7.6
% CABG 0.8 0.6 0.7 0.9 0.8
Average distance to REVASC* 55.5 80.8 88.6 41.7 24.7
% equipped hospitals 19.6 9.9 15.4 19.8 18.9
% total population 21.16 26.54 20.62 17.89 13.78
Belgium      
% CATH 21.6 14.2 13.0 17.3 22.0
% PCI 5.8 3.4 3.0 5.1 7.2
% CABG 1.6 0.7 1.0 1.0 1.5
Average distance to CATH* 19.8 32.4 33.8 34.5 26.1
Average distance to REVASC* 13.4 14.4 14.7 15.1 11.3
% equipped hospitals 39.1 24.1 22.8 29.9 39.2
% total population 23.95 22.81 18.82 17.35 17.46
  1. Note: *Average distance is expressed in kilometers (1 mile = 1.67 km). Average distance to CATH measures the average distance to the nearest hospital with on-site facilities for CATH ONLY. Average distance to REVASC measures the average distance to the nearest hospital with on-site facilities to perform PCI or CABG.