Delineation of epicardial stenosis in patients with microvascular disease using pressure drop coefficient: A pilot outcome study

Table 1 Summary of clinical data and characteristics of the recruited patients

Variable	Study/group
Sex (M/F)	77/9
Age (yr)	61 ± 9
Ejection fraction (%)	58 ± 10
Clinical history
Diabetes	42/86
Hypertension	70/86
Dyslipidemia	60/86
Previous myocardial infarction	21/86
Smoking history	52/86
Family history of CAD	23/86
LV hypertrophy	4/86
Affected artery
LAD	43
LCX	17
RCA	26

CAD: Coronary artery disease; LAD: Left descending artery; LCX: Left circumflex; RCA: Right coronary artery; M: Male; F: Female.

Table 2 Summary of the %MACE outcomes for the recruited patients at a minimum of 1-year follow-up

	CFR < 2.0
	FFR < 0.75	FFR > 0.75	CDP > 27.9	CDP < 27.9
All-cause mortality	3/14	2/34	2/26	3/22
Myocardial infarction
Revascularization
Diabetic
All-cause mortality	1/11	3/31	2/16	2/26
Myocardial infarction
Revascularization	1/11			1/26

CFR: Coronary flow reserve; CDP: Pressure drop coefficient; FFR: Fractional flow reserve.