Table 2.

Comparison of in-hospital data and evolution of ST-elevation myocardial infarction patients between March and April 2020 versus the same period of 2019. Categorical variables are expressed in frequencies and percentages and numerical variables in means and standard deviations.

	March and April 2019	March and April 2020	p-value
Fibrinolysis	2 (3.6%)	7 (14.3%)	0.056
Interhospital transfer	21 (38.2%)	25 (51%)	0.132
Cardiorespiratory arrest at admission	5 (9.1%)	4 (13.3%)	0.396
Successful PCI	55 (100%)	46 (93.9%)	0.101
Multi vessel disease	34 (61.8%)	26 (53.1%)	0.241
Mechanical ventilation	2 (3.6%)	7 (14.3%)	0.056
Ischemia after PCI	10 (18.5%)	8 (16.3%)	0.488
Arrhythmia after PCI	4 (7.4%)	6 (12.2%)	0.310
Vasoactive support	2 (3.7%)	13 (26.5%)	0.001
Need for non-culprit PCI	16 (29.1%)	13 (26.5%)	0.517
Discharge LVEF, %	47.5±11.1	43.9±13.8	0.225
LVEF<35% at discharge	2 (3.6%)	8 (16.3%)	0.03
In-hospital death	4 (7.3%)	7 (14.3%)	0.200
• Before primary PCI (in the ED)	1 (25%)	2 (28.6%)	0.721
• Within 24h of admission	1 (25%)	1 (14.3%)	0.618
• After 24h and within first week	1 (25%)	3 (42.9%)	0.530
• After first week of admission	1 (25%)	1 (14.3%)	0.618
• Anoxic encephalopathy-associated	0	1 (14.3%)	0.636

ED: emergency department; LVEF: left ventricular ejection fraction; PCI: percutaneous coronary intervention.