Research Article

Prognostic Value of the Residual SYNTAX Score on In-Hospital and Follow-Up Clinical Outcomes in ST Elevation Myocardial Infarction Patients Undergoing Percutaneous Coronary Interventions

Table 1

In-hospital demographic, clinical, and laboratory characteristics and Grace Scores of patients.

ParametersAll patients (n : 538)RSS = 0 (n : 131)RSS < 7 (n: 188)RSS ≥ 7 (n : 219) value

Demographic parameters
Age (year)61.9 ± 12.857.9 ± 12.4a60.8 ± 12.3a65.3 ± 12.7b<0.001
Male (n%)422 (78.4)100 (76.3)149 (79.3)173 (79)0.796

Clinical history
HT (n%)330 (61.3)67 (51.1)a111 (59)a,b152 (69.4)b0.002
DM (n%)255 (47.4)46 (35.1)a85 (45.2)a,b124 (56.6)b<0.001
HL (n%)326 (60.6)72 (55)115 (61.2)139 (63.5)0.283
CAD (n%)122 (22.7)23 (17.6)a37 (19.7)a62 (28.3)b0.032
Smoking (n%)217 (40.3)55 (42)72 (38.3)90 (41.1)0.769

Clinical parameters
Anterior MI (n%)256 (47.6)64 (48.9)97 (51.6)95 (43.4)0.240
Inferior MI (n%)257 (47.8)60 (45.8)80 (42.6)117 (53.4)0.080
Other localization MI (n%)25 (4.6)7 (5.3)11 (5.9)7 (3.2)0.407
SBP mm·Hg131.3 ± 28.2135.8 ± 23.3a137.5 ± 24.1a123.2 ± 32b<0.001
DBP mm·Hg77.6 ± 16.479.4 ± 13.7a81.5 ± 15.1a73 ± 17.8b<0.001
Heart rate/min82.5 ± 18.880.5 ± 1681.2 ± 14.884.7 ± 22.90.065
Killip > 2 HF (n%)102 (19)8 (6.1)a15 (8)a79 (36.1)b<0.001
LVEF (%)55 (45–60)60 (54–65)a60 (50–60.5)a50 (38–60)b<0.001
Inotropic treatment (n%)105 (19.5)6 (4.6)a14 (7.4)a85 (38.8)b<0.001
IV diuretic treatment (n%)79 (14.7)7 (5.3)a18 (9.6)a54 (24.7)b<0.001
Gp2b3a treatment (n%)86 (16)15 (11.5)31 (16.5)40 (18.3)0.236
IABP (n%)23 (4.3)0 (0)a2 (1.1)a21 (9.6)b<0.001
Grace Score107 (87–130)95 (80–109)a100 (81.5–122.5)a124 (106–146)b<0.001
Length of hospitalization (days)5 (4–5)4 (4-5)a4 (4-5)a5 (4–6)b0.008

Laboratory parameters
ABG level (mg/dl)141 (115–197)129 (105–187)a138 (117–188)a152 (124–225)b<0.001
FBG level (mg/dl)108.5 (92–152)98 (85–142)a107.5 (91–139)a118 (97–165)b<0.001
Hba1c6.1 (5.6–7.3)6 (5.5–6.9)a6 (5.6–6.85)a6.3 (5.7–8.1)b0.003
A-Cre level (mg/dl)0.89 (0.76–1.03)0.86 (0.74–0.98)a0.87 (0.75–1)a0.92 (0.8–1.13)b<0.001
PP-Cre level (mg/dl)0.91 (0.8–1.11)0.89 (0.79–1.02)a0.9 (0.79–1.03)a1 (0.8–1.42)b<0.001
CreCl (ml/min)87.26 (69.09–99.01)92.36 (81–102)a90.9 (78.38–101)a80 (63.15–93.96)b<0.001
Hb (g/dl)13.94 ± 1.9514.11 ± 1.814.1 ± 1.9313.7 ± 2.020.065
WBC × 10310.94 (8.63–13.5)10.41 (8.02–13.04)a10.89 (8.37–12.8)a11.3 (9.2–14.45)b0.003
Neutrophil × 1037.17 (5–9.8)6.39 (4.6–8.68)a6.85 (5–9.63)a,b7.5 (5.73–10.44)b0.006
PLT × 103254 (208–305)262 (213–308)248 (207–294.5)253 (205–310)0.493
CRP (mg/dl)1.79 (0.6–6.58)1.39 (0.5–4.2)a1.5 (0.57–5.12)a2.7 (0.7–11.1)b0.001
Peak Trop-T (ng/ml)50000 (15.9–50000)34.16 (8.1–50000)a50000 (13.7–50000)b50000 (35–50000)c<0.001
Peak Trop-T (ng/ml) > 50000 (n%)283 (52.6)50 (38.2)a95 (50.5)b138 (63)c<0.001

Data are presented as mean ± SD, median (0.250.75 percentiles), and n (%). ANOVA, Kruskal–Wallis test, and Pearson chi-square test were used and different letters show that there is a statistically significant difference. ABG: admission blood glucose, ACRE: admission creatinine, CAD: coronary artery disease, Cre: creatinine, CreCl: creatinine clearance, CRP: C-reactive protein, DBP: diastolic blood pressure, DM: diabetes mellitus, FBG: fasting blood glucose, Gp2b3a: glycoprotein 2b3a: antagonist, Hb: hemoglobin, HbA1C: hemoglobin A1C, HF: heart failure, HL: hyperlipidemia, HT: hypertension, IABP: intra-aortic balloon pump, IV: intravenous, LVEF: left ventricular ejection fraction, MI: myocardial infarction, PLT: platelet, PP-Cre: postprocedural creatinine, Trop: troponin, SBP: systolic blood pressure, and WBC: white blood cell.