Table 2 Odds ratios of independent predictors for reduced LVEF after STEMI in LAD and non-LAD system (multivariate logistic analysis)

LAD system

 Elder (>65 years)

1.984

1.205–3.266

<0.01

 Proximal occlusion

1.681

1.042–2.713

0.033

Time to hospital

1.106

1.010–1.210

0.029

 Multi-vessel stenosis

1.395

0.848–2.296

0.190

 Post-PCI SBP < 100 mmHg

1.563

0.540–4.521

0.410

 Post-PCI DBP < 60 mmHg

1.677

0.778–3.613

0.187

Non-LAD system

 Elder (>65 years)

1.167

0.616–2.209

0.635

 Proximal occlusion

1.108

0.569–2.159

0.762

Time to hospital

1.246

1.097–1.414

<0.01

 Multi-vessel stenosis

2.394

1.185–4.836

0.015

 Post-PCI SBP < 100 mmHg

2.927

1.121–7.643

0.028

 Post-PCI DBP < 60 mmHg

1.778

0.792–3.988

0.163