Table 3.

Risk-Appropriate Clinical Care for Patients with Chest Pain by Intervention Status

	Intervention [95% CI]	Control [95% CI]	P value
High risk patients (n = 1,327)
Primary outcomes
Electrocardiogram performance	51% [47%, 56%]	48% [43%, 53%]	0.33
Aspirin therapy	20% [17%, 23%]	18% [15%, 22%]	0.43
Secondary outcomes
Cardiac stress testing	17% [14%, 20%]	16% [13%, 20%]	0.90
Emergency department evaluation	12% [10%, 15%]	9% [7%, 12%]	0.10
Low risk patients (n = 5,756)
Primary outcome
Cardiac stress testing	10% [9%, 12%]	9% [8%, 11%]	0.40
Secondary outcomes
Electrocardiogram performance	46% [42%, 50%]	41% [37%, 45%]	0.08
Aspirin therapy	7% [6%, 8%]	7% [6%. 9%]	0.56
Emergency department evaluation	5% [4%, 6%]	5% [4%, 6%]	0.59