Table 2

Procedural characteristics, clinical presentations and outcomes

Before a state of emergency declaration (n=359)After a state of emergency declaration (n=63)P value
Onset-to-door time, median (IQR), hours2.4(1.0–8.1)4.1(1.3–24.5)0.02
Late presentation, n (%)51(14.2)16(25.4)0.03
Killip classification at admission0.04
 I, n (%)290(80.8)43(68.3)
 II, n (%)8(2.2)4(6.3)
 III, n (%)11(3.1)1(1.6)
 IV, n (%)50(13.9)15(23.8)
Primary PCI, n (%)296(82.5)43(68.3)0.009
Emergent CABG, n (%)6(1.7)2(3.2)0.42
Mechanical complications, n (%)13(3.6)9(14.3)<0.001
 Free wall rupture, n (%)1(0.3)3(4.8)
 Contained rupture, n (%)6(1.7)3(4.8)
 Ventricular septal rupture, n (%)4(1.1)3(4.8)
 Papillary muscle rupture, n (%)2(0.6)0(0)
Use of circulatory assist devices, n (%)62(17.3)15(23.8)0.22
Surgical treatment for mechanical complications, n (%)10/13(76.9)8/9(88.9)0.47
Cardiogenic embolism, n (%)11(3.1)1(1.6)0.51
Left ventricular thrombus, n (%)8(2.2)1(1.6)0.74
In-hospital death22(6.2)4(6.4)0.95
 Cause of death0.74
 Cardiac death13(59.1)2(50.0)
 Non-cardiac death9(40.9)2(50.0)
Hospital stay, median (IQR), days14(11–20)18(14–33)0.001
  • P values refer to the comparisons between the two groups.

  • CABG, coronary artery bypass grafting; PCI, percutaneous coronary intervention.