Comparative Analysis between SPECT Myocardial Perfusion Imaging and CT Coronary Angiography for Diagnosis of Coronary Artery Disease

Table 1

Characteristics of the population for positive and negative groups of MPI and CTCA.

Parameters	Positive MPI	Negative MPI	𝑃 value	Positive CTCA	Negative CTCA	𝑃 value
	(𝑛=67)	(𝑛=437)		(𝑛=112)	(𝑛=392)
Age	54.0±10.8	51.8±11.8	𝑃>0.05	49.8±11.8	50.6±11.9	𝑃<0.05
Prior myocardial infarction	None	None	—	None	None	—
Prior coronary revascularization	None	None	—	None	None	—
Risk factors for CAD
Diabetes mellitus	19	10	𝑃<0.05	18	11	𝑃<0.05
Hypertension	55	32	𝑃<0.05	60	27	𝑃<0.05
Hypercholesterolemia	34	213	𝑃>0.05	89	158	𝑃<0.05
Family history of CAD	42	56	𝑃<0.05	51	47	𝑃<0.05
Smoking history	23	88	𝑃<0.05	35	76	𝑃<0.05