Table 2.

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

	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

*Average cost per procedure in year 2000 dollars.