Table 2.

Diagnosing Cardiologist, Health Status at diagnosis, and Subsequent Spending of Patients in Areas with High and Low Numbers of Interventional Cardiologists

	Patients from areas with …
	Above-median density of interventional cardiologists	Below-median density of interventional cardiologists	Difference (standard errors in parentheses)
Probability of diagnosis by interventional cardiologist	0.872	0.655	0.217** (0.003)
Number of days in hospital in year before diagnosis	2.94	2.98	−0.04 (0.04)
Hospital spending in year before diagnosis	$3,926	$3,987	−$61 (52)
Total spending in year after diagnosis	$28,264	$28,842	−$578** (171)
Number of patients	53113	53103

^**Significant at the 5 percent level.