Clinical Evaluation of the Appropriateness Use Criteria for Single-Photon Emission-Computed Tomography: Differences by Patient Population, Physician Specialty, and Patient Outcomes

Table 4

Differences by gender, admission status, and known history of CAD by specialty of a referring physician.

Patient Variables	CV MD	NON- CV MD	P Value
	N, %	N, %
Admission
Inpatient (𝑛=265)	90; 34%	175; 66%	<.0001
Outpatient (𝑛=305)	159; 52%	146; 48%
Gender
Men (𝑛=307)	159; 52%	148; 48%	<.0001
Women (𝑛=263)	90; 34%	173; 66%
Known CAD
Yes (n=158)	113; 72%	45; 28%	<.0001
No (n=412)	136; 33%	276; 67%

CV:cardiovascular.