Research Article

The Impact of Lesion Complexity and the CHA2DS2-VASc Score on Spontaneous Reperfusion in Patients with ST-Segment Elevation Myocardial Infarction

Table 1

Demographic and clinical characteristics.

VariablesSR (+) (n = 239)SR (−) (n = 1402)

Age (years)62.59 ± 12.6260.53 ± 12.300.017
Male gender (n, (%))173 (72)987 (70)0.533
BMI (kg/m2)25.55 ± 3.4224.65 ± 2.990.487
HT (n (%))157 (65)981 (69)0.185
DM (n (%))51 (21)391 (27)0.035
HLD (n (%))110 (46)574 (41)0.565
Smokers (n (%))138 (58)785 (56)0.777
LVEF (%)41.01 ± 7.5136.01 ± 6.630.024
Emergency treatment
 ASA + clopidogrel (n (%))144 (60)1003 (71)0.002
 ASA + ticagrelor (n (%))60 (25)239 (17)
 ASA + prasugrel (n (%))35 (14)160 (11)
CHA2DS2-VASc score1.36 ± 0.642.01 ± 0.80<0.001
SYNTAX I score15.51 ± 5.9417.08 ± 8.29<0.001
In-hospital mortality (n (%))1 (0.4)81 (5.8)<0.001
Laboratory parameters
 Total cholesterol (mg/dl)185.45 ± 49.41188.73 ± 48.620.406
 LDL (mg/dl)124.50 ± 43.56126.41 ± 42.500.580
 HDL (mg/dl)38.21 ± 12.6038.33 ± 12.620.908
 Triglyceride (mg/dl)131.69 ± 61.98127.43 ± 57.250.367
 Uric acid (mg/dl)4.59 ± 2.054.92 ± 1.540.019
 Creatinine (mg/dl)0.93 ± 0.350.89 ± 0.300.050
 Hemoglobin (g/dl)13.65 ± 2.0113.48 ± 1.980.234
 Hematocrit (%)41.55 ± 5.7341.13 ± 5.100.266
 Platelet count (10^3/uL)268.56 ± 104.03260.24 ± 76.650.164
 WBC (10^3/uL)12.00 ± 3.0212.87 ± 5.08<0.001
 TSH (uIU/ml)1.58 ± 0.751.58 ± 0.720.995
 CRP (mg/L)9.02 ± 4.349.95 ± 3.730.002
 BNP (pg/ml)153 (50–581)243 (60–720)0.001
 Troponin (ng/ml)13 (2–50)21 (2–50)0.008

BMI: body mass index, HT: hypertension, DM: diabetes mellitus, HLD: hyperlipidemia, LVEF: left ventricular ejection fraction, ASA: acetylsalicylic acid, SYNTAX: Synergy Between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery, LDL: low-density lipoprotein, HDL: high-density lipoprotein, WBC: white blood cell count, TSH: thyroid stimulating hormone, CRP: C-reactive protein, and BNP: brain natriuretic peptide.