3.

In-hospital major complications.

Variable	Total	PCI group	OMT group	P-value
Data are presented as %. *Presented as median (interquartile range). OMT: optimized medical treatment; PCI: percutaneous coronary intervention.
Re-infarction	3.1%	3.4%	2.3%	0.612
Cardiogenic shock	2.5%	3.0%	1.1%	0.344
New-onset atrial fibrillation	8.1%	7.2%	10.3%	0.363
Mecanical complication	0.3%	0.4%	0	0.542
Resuscitated cardiac arrest	0.6%	0.4%	1.1%	0.461
Stroke	0.3%	0	1.1%	0.100
Major bleeding	3.1%	4.2%	0	0.041
Death	3.1%	4.2%	0	0.042
Length of hospital stay, days	5 (3-8)*	5 (3-8)*	6 (4-8)*	0.282