The Systemic Immune-Inflammation Index May Predict the Coronary Slow Flow Better Than High-Sensitivity C-Reactive Protein in Patients Undergoing Elective Coronary Angiography

Table 1

Baseline clinical characteristics of the patients with coronary slow flow and normal coronary flow.

Characteristics	All patients	CSF	Normal coronary flow	value
	n = 197	n = 105	n = 92
Age (years)	56.8 ± 10.3	55.7 ± 9.9	58.1 ± 10.6	0.058
Male, n (%)	127 (64.5%)	78 (74.3%)	49 (53.3%)	0.002
BMI, kg/m^2	27.4 ± 4.3	28.1 ± 3.9	26.8 ± 4.7	0.019
SBP, mmHg	124.3 ± 20.5	126.7 ± 21.9	121.5 ± 18.4	0.116
DBP, mmHg	75.9 ± 11.8	76.8 ± 12.1	74.9 ± 11.5	0.407
Heart rate, bpm	76 ± 15	77 ± 13	75 ± 16	0.121
Comorbidities, n (%)
Hypertension	84 (42.6%)	46 (43.8%)	38 (41.3%)	0.723
Diabetes mellitus	58 (29.4%)	38 (36.2%)	20 (21.7%)	0.026
Hyperlipidemia	60 (30.5%)	37(35.2%)	23 (25.0%)	0.119
Current smoker	103 (52.3%)	64 (61.0%)	39 (42.3%)	0.009
Family history of CAD	46 (23.4%)	24 (22.9%)	22 (23.9%)	0.861
Medical therapy on admission, n (%)
ACE-i or ARB	73 (37.1%)	38 (36.2%)	35 (38.0%)	0.788
CCB	16 (8.1%)	9 (8.6%)	7 (7.6%)	0.805
Beta-blocker	16 (8.1%)	8 (7.6%)	8 (8.7%)	0.783
Statin	36 (18.3%)	16 (15.2%)	20 (21.7%)	0.239
Aspirin	44 (22.3%)	23 (21.9%)	21 (22.8)	0.877

ACE-i, angiotensin converting enzyme inhibitor; ARB, angiotensin receptor blocker; BMI, body mass index; BPM = Beat per minute; CAD = Coronary artery disease; CCB = Calcium channel blocker; CSF = Coronary slow flow; DBP = Diastolic blood pressure; SBP = Systolic blood pressure.