Resting Full-Cycle Ratio versus Fractional Flow Reserve: A SWEDEHEART-Registry-Based Comparison of Two Physiological Indexes for Assessing Coronary Stenosis Severity

Table 1

Patient characteristics (n = 143).

Variables	Values
Male sex	114 (79.7%)
Age (y)	69 ± 10
BMI (kg/m^2)	27.9 ± 4.5
S-creatinine (mmol/L)	79.5 ± 18.0
Hypertension	107 (74.8%)
Diabetes	43 (30.0%)
Lipid lowering agent	110 (76.9%)
History of smoking or current smoker	87 (60.8%)
Previous MI	69 (48.3%)
Previous PCI	72 (50.3%)
Previous CABG	7 (4.9%)
Previous stroke	6 (4.2%)
Peripheral arterial disease	3 (2.1%)
Indication for coronary angiography
NSTEMI	31 (21.7%)
Unstable angina pectoris	14 (9.8%)
Stable angina pectoris	28 (19.6%)
Staged procedure, completion of earlier PCI	34 (23.8%)
Arrhythmia	7 (4.9%)
Heart failure, cardiomyopathy	8 (5.6%)
Valvular heart disease	18 (12.6%)
Unclear chest pain	1 (0.6%)
Silent ischaemia	1 (0.6%)
Others	1 (0.6%)

Note. Values are expressed as mean ± SD or as n (%). BMI, body mass index; CABG, coronary artery bypass graft surgery; MI, myocardial infarction; NSTEMI, non-ST-elevation myocardial infarction; PCI, percutaneous coronary intervention; n, number; y, years.