. Author manuscript; available in PMC: 2010 Feb 22.

Published in final edited form as: Health Aff (Millwood). 2009 Jul–Aug;28(4):1154–1160. doi: 10.1377/hlthaff.28.4.1154

EXHIBIT 1. Outlier Payments For Isolated Coronary Artery Bypass Graft (CABG) Procedures, Based On Nationwide Medicare Data, 2000–2006.

Indicator	2000	2001	2002	2003	2004	2005	2006	p value
Total number of patients	150,917	146,008	144,586	134,128	126,126	114,738	104,329	–^a
Total number of patients receiving outlier payments	20,031	19,207	18,020	11,561	8,712	9,329	9,432	–^a
Percent of patients receiving outlier payments	13.3	13.2	12.5	8.6	6.9	8.1	9.0	<0.0001
Mean of total outlier payments	$17,127	$19,469	$23,045	$24,922	$21,033	$19,688	$18,699	<0.0001
Ratio of total outlier payments/total Medicare payments (%)	8.6	9.3	10.1	7.5	5.0	5.3	5.4	0.02
Total outlier payments (millions)	$343	$374	$415	$288	$183	$184	$176	–^a
Total Medicare payments (millions)	$3,997	$4,024	$4,097	$3,827	$3,645	$3,487	$3,252	–^a

SOURCE: Authors' analysis based on Medicare Provider Analysis and Review (MedPAR) data, 2000–2006.

Not applicable.