Exhibit 3.

Residential segregation and admission to a low quality hospital for major surgery.

Surgical Procedure	Proportion admitted to a low quality hospital		Adjusted odds ratio for admission to a low quality hospital (95% CI)
Coronary artery bypass grafting	White	Black	Black vs. White
Low segregation	21.3%	19.5%	0.93 (0.82 to 1.05)
Medium segregation	22.6%	27.8%	1.28 (1.16 to 1.40)
High segregation	15.7%	21.7%	1.48 (1.37 to 1.59)
Abdominal aortic aneurysm repair	White	Black	Black vs. White
Low segregation	25.5%	26.7%	1.03 (0.83 to 1.29)
Medium segregation	15.6%	19.8%	1.29 (1.05 to 1.58)
High segregation	18.3%	31.0%	1.96 (1.73 to 2.22)
Lung cancer resection	White	Black	Black vs. White
Low segregation	25.4%	29.2%	1.24 (0.97 to 1.58)
Medium segregation	20.8%	25.6%	1.25 (1.01 to 1.54)
High segregation	17.1%	23.0%	1.41 (1.22 to 1.62)

National Medicare population, 2005–2008.