Endothelial nitric oxide synthase Asp298Glu (894G/T) gene polymorphism as a possible risk factor for the coronary slow flow phenomenon among Iranians

Table 2 Clinical, laboratory, and angiographic characteristics of the CSFP group^a,b

Characteristics	Patients
Clinical
Chest pain
Typical	107 (59.4)
Atypical	59 (32.8)
Dyspnea	58 (32.2)
Palpitation	8 (4.4)
Past medical history
Prior PCI	14 (7.8)
Prior MI	10 (5.6)
HF	1 (0.6)
BMI^c	28.3 (25.7–30.97)
Baseline hemodynamics
Systolic blood pressure (mm Hg)	125 (119–135)
Diastolic blood pressure (mm Hg)	80 (70–80)
Laboratory and Echocardiography Characteristics
hs-CRP	1.7 (0.7–4)
Positive cardiac enzyme	24 (13.3)
LVEF	50 (50–55)
Angiographic characteristics
TFC
Left anterior descending artery	36 (29–43)
Left circumflex artery	40 (31–50)
Right coronary artery	31.5 (24–40)
Single-vessel slow flow coronary artery	15 (8.3)
Double-vessel slow flow coronary arteries	57 (31.7)
Triple-vessel slow flow coronary arteries	108 (60)

CSFP coronary slow flow phenomenon, PCI percutaneous coronary intervention, MI myocardial infarction, HF heart failure, BMI body mass index, hs-CRP high-sensitivity C-reactive protein, LVEF left ventricular ejection fraction, TFC thrombolysis in myocardial infarction frame count
^aContinuous variables are presented as the median (Q₁–Q₃)
^bCategorical variables are presented as numbers (%)
^cWeight (in kilograms) divided by the square of the height (in meters)

ISSN: 1471-2261