Impact of total occlusion of the infarct-related coronary artery on mortality of 2483 patients with acute myocardial infarction

Table 2 Clinical presentation, laboratory values, Global Registry of Acute Coronary Events score, and percutaneous coronary intervention findings, n (%)

Variable	Occluded artery (n = 1687, 67.9%)	Patent artery (n = 796, 32.1%)	P value
STEMI	1350 (81.6)	184 (23.1)	< 0.0001
VT before/during PCI	48 (2.9)	17 (2.1)	0.278
Systolic BP on admission (mmHg)	130 (115-150)	140 (120-155)	< 0.0001
Cardiogenic shock	107 (6.5)	19 (2.49)	< 0.0001
Out-of-hospital arrest	62 (3.7)	12 (1.5)	0.003
GRACE score	141.5 (96-175)	144 (75-106)	0.300
Laboratory values
Hemoglobin (g/L)	143 (131-153)	141 (129-150)	0.003
eGFR (mL/minutes/1.73 m2)	73 (59-88)	73 (58-87)	0.539
LDL cholesterol (mmol/L)	3.5 (2.7-4.2)	3.1 (2.3-3.9)	< 0.0001
Creatine kinase - peak (U/L)	1629 (716-3406)	354 (163-812)	< 0.0001
Troponin I - peak (ng/L)	20315 (16289-22154)	55000 (1461-3525)	< 0.0001
PCI-related findings
SYNTAX score	21 (17-26)	23 (18-27)	< 0.0001
TIMI 3 as the final angiogram	1284 (77.6)	685 (86.1)	< 0.0001
Stenosis of the LMCA	60 (3.6)	80 (29.3)	< 0.0001

STEMI: ST-elevation myocardial infarction; VT: Ventricular tachycardia; PCI: Percutaneous coronary intervention; GRACE score: Global Registry of Acute Coronary Events score; eGFR: Estimated glomerular filtration rate; LDL: Low-density lipoprotein; SYNTAX: Synergy between percutaneous coronary intervention with taxus and cardiac surgery score; TIMI: Thrombolysis in myocardial infarction; LCMA: Left main coronary artery.