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Table 2 Trends in average costs and patient characteristics by hospital procedure and volume 1998–2000

From: Estimating cost savings from regionalizing cardiac procedures using hospital discharge data

  PCI CABG
  Hospital Volume Hospital Volume
  < 200 200–399 400+ Total # < 200 200–449 450+ Total #
Cost*         
1988–1991 $13,599 $12,787 $12,019 $12,451 $37,219 $30,704 $29,271 $30,733
1992–1996 $13,592 $13,043 $11,617 $11,972 $33,241 $28,035 $26,252 $27,409
1997–2000 $12,606 $12,563 $11,130 $11,363 $26,862 $24,293 $23,500 $24,001
Age 85+, %         
1988–1991 0.9 1.0 0.9 0.9 0.7 0.8 0.7 0.7
1992–1996 1.6 1.6 1.6 1.6 1.1 1.2 1.2 1.2
1997–2000 3.0 2.9 2.8 2.8 1.8 1.8 2.0 1.9
Stent, %         
1988–1991 0 0 0 0     
1992–1996 6.4 7.9 11.4 10.5     
1997–2000 67.4 73.3 76.5 75.8     
  1. *Average cost per procedure in year 2000 dollars.