TABLE 5.

Unadjusted OR and 95% CI for procedures by risk group

Procedure	Total, n	Risk group	OR (95% CI)	P
Diagnostic catheterization	81,915	Moderate versus low	0.89 (0.85–0.93)	<0.0001
		High versus low	0.42 (0.38–0.45)	<0.0001
Catheterization within 48 h of arrival	78,552	Moderate versus low	0.81 (0.78–0.84	<0.0001
		High versus low	0.37 (0.35–0.40)	<0.0001
Percutaneous coronary intervention	71,519	Moderate versus low	0.83 (0.80–0.87)	<0.0001
		High versus low	0.42 (0.39–0.45)	<0.0001
Percutaneous coronary intervention within 48 h of arrival	70,095	Moderate versus low	0.77 (0.74–0.81)	<0.0001
		High versus low	0.35 (0.32–0.37)	<0.0001
Coronary artery bypass grafting	70,882	Moderate versus low	1.34 (1.24–1.44)	<0.0001
		High versus low	0.98 (0.89–1.07)	0.65