. Author manuscript; available in PMC: 2020 Jul 1.

Published in final edited form as: J Cardiovasc Comput Tomogr. 2019 May 15;13(4):196–202. doi: 10.1016/j.jcct.2019.05.009

Table 2.

Coronary CTA findings (site reads), acute coronary syndrome during index hospitalization and additional cardiac tests stratified by FFR_CT results.

	FFR_CT ≤0.80 n=40	FFR_CT >0.80 n=28	p value
Coronary CTA stenosis – no. (%)
Indeterminate	1 (2.5)	1 (3.6)	1.000
Mild (<50%)	5 (12.5)	10 (35.7)	0.036
Moderate (50–69%)	6 (15.9)	12 (42.9)	0.013
Severe (≥70% or ≥50% left main)	28 (70.0)	5 (17.9)	<0.001
Acute coronary syndrome – no. (%)	23 (57.5)	4 (14.3)	<0.001
Myocardial infarction	3 (7.5)	0 (0.0)
Unstable angina pectoris	20 (50.0)	4 (14.3)
Invasive coronary angiography – no. (%)	21 (52.5)	9 (32.1)	0.137
Coronary revascularization – no. (%)	15 (37.5)	3 (10.7)	0.024
Percutaneous coronary intervention	12 (30.0)	3 (10.7)
Coronary artery bypass	3 (7.5)	0 (0.0)
Non-invasive stress test – no. (%)	15 (37.5)	17 (60.7)	0.084