Table 1

Baseline characteristics of primary PCI patients treated for anterior myocardial infarction

CharacteristicAnterior MI patients with described ECG pattern (n = 35)Anterior STEMI patients (n = 1855)p Value
Age (years)*52 (8)61 (13)<0.001
Male gender33 (94)1331 (72)0.002
BMI (kg.m−2)*26 (3)27 (6)0.58
Risk factors
    Family history of CAD15 (43)708 (38)0.57
    Current smoking19 (54)779 (42)0.15
    Hypertension7 (20)557 (30)0.20
    Diabetes mellitus3 (9)219 (12)0.79
    Hypercholesterolaemia15 (43)372 (20)0.001
Previous MI2 (6)237 (13)0.31
Previous PCI0150 (8)0.11
Previous CABG05 (0)1.00
Total ischaemic time (minutes) (median (IQR))167 (126–235)173 (126–248)0.30
Timing ECG recordings (minutes) (median (IQR))†
    Symptom onset, ECG at first medical contact92 (54–133)96 (57–157)0.36
    ECG at first medical contact, preprocedural ECG60 (42–101)67 (52–95)0.52
  • *Means (SD). Other data are expressed as n (%) unless otherwise indicated.

  • †Data available for 590 patients in reference population.

  • BMI, body mass index; CABG, coronary artery bypass grafting; CAD, coronary artery disease; ECG, electrocardiogram; IQR, interquartile range; MI, myocardial infarction; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction.