Table 2

Demographic variables of all post-PPCI patients with STEMI subdivided into those with LVEF ≤35% or LVEF >35%

VariablesAll STEMIsIn-hospital LVEF >35%In-hospital LVEF ≤35%p Value*
N39022904332
Male, n (%)2725 (70)2041 (70)244 (73)0.46
Age, years (range)65 (23–99)63±1365±140.01
QRS duration ≥120 ms, n (%)98 (3)67 (2)31 (9)<0.01
Previous MI—n (%)547 (14)361 (12)65 (20)0.01
Previous angina—n (%)569 (15)382 (13)55 (17)0.36
Previous PCI, n (%)233 (6.0)169 (6)22 (7)0.90
Previous CABG, n (%)106 (2.7)71 (2)11 (3)0.77
Hypertension—n (%)1657 (43)1210 (42)139 (42)0.97
Hypercholesterolaemia, n (%)1338 (34)1024 (35)105 (32)0.58
Peripheral vascular disease, n (%)135 (3.5)108 (4)23 (7)0.04
Cerebrovascular disease, n (%)185 (4.7)108 (4)23 (7)0.04
Chronic renal failure, n (%)38 (1.0)18 (1)7 (2)0.03
Heart failure, n (%)30 (0.8)7 (0.0)12 (4)<0.01
Diabetes, n (%)433 (11)295 (10)42 (13)0.01
  • *Comparison of patients with LVEF ≤35% versus patients with LVEF >35%.

  • CABG, coronary artery bypass graft surgery; LVEF, left ventricular ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention; STEMIs, ST-elevation myocardial infarction. Bold text are key parts of the guidance.