Table 2.

Treatment Characteristics of Middle-old and Oldest-old patients Hospitalized with myocardial infarction: Medical Therapies, Intervention and In-hospital Outcomes

Treatment Characteristics	Middle-old (75–84 yrs) (N=2210) N(%)	Oldest-old (≥85 yrs) (N=831) N(%)	p value
Medical therapies on admission
Aspirin	1641 (74.3%)	591 (71.1%)	0.08
Theinopyridines	1376 (62.3%)	513 (61.7%)	0.79
Anticoagulant use (intravenous or subcutaneous)	1836 (83.1%)	667 (80.3%)	0.07
Statin	1288 (58.3%)	423 (50.9%)	<0.001
Beta-blockers	1160 (52.5%)	420 (50.5%)	0.37
Angiotensinogen-converting enzyme inhibitors/angiotensin-receptor blockers	1108 (50.1%)	365 (43.9%)	<0.01
Interventions
Coronary angiography	1963 (88.8%)	607 (73.0%)	<0.0001
PCI	1293 (58.5%)	445 (53.5%)	0.01
CABG	315 (14.3%)	47 (5.7%)	<0.001
Revascularization (PCI or CABG)	1587 (71.8%)	483 (58.1%)	<0.001
In-hospital outcomes
Major bleeding event	222 (10.0%)	52 (6.3%)	0.001
Heart Failure	280 (12.7%)	148 (17.8%)	<0.001)
Cardiogenic shock	92 (4.2%)	23 (2.8%)	0.07
Arrhythmia	397 (18.0%)	155 (18.7%)	0.66
Acute kidney injury	527 (23.8%)	190 (22.9%)	0.56
In-hospital mortality	22 (1.0%)	13 (1.6%)	0.19

PCI- percutaneous coronary intervention, CABG- coronary artery bypass grafting