Table 2

In hospital management

Variable	<75 years (N=1876)	%	>75 years (N=683)	%	p Value
Aspirin	1672	89	528	77	0.001
Clopidogrel	1234	66	357	52	0.001
2b3a Agent	163	8.7	36	5	0.004
Low-molecular-weight heparin	1410	75	520	76.1	0.6
Angiotensin-converting enzyme inhibitor	1110	59	370	54	0.02
Angiotensin receptor antagonist	243	13	116	17	0.009
HMG-CoA enzyme inhibitor	1635	87	537	79	0.001
B-blocker	1346	72	446	65	0.002
Functional test for ischaemia	188	10	43	6.3	0.004
Diagnostic angiography	1401	75	335	49	0.001
Echocardiogram	758	40	293	42	0.26
Angioplasty	808	43	169	25	0.001
Coronary surgery	154	8.2	46	6.7	0.2
Revascularisation if angiogram	931 from 1401	66	203 from 335	61	0.04
Reperfusion if (STEMI)	420	72	80	60	0.008
Primary PCI	256	44	50	38	0.2
Rescue PCI	33	6	2	1.5	0.05
TIMI bleed	83	4	34	5	0.5
Time to diagnostic angiogram (days) excluding primary PCI	1.02±4.5		2.6±4.0		0.5^*
Time to primary PCI (minutes)	180.7±42.1		123±61.4		0.3^*

χ² Statistic unless stated.
↵* Unpaired t test.
PCI, per-cutaneous intervention; STEMI, ST elevation myocardial infarction; TIMI, thrombolysis in myocardial infarction.