Table 2. Baseline characteristics of the study population.

Age group	Sex	n	%
<50	Male	3164	88.21
	Female	423	11.79
	Total	3587	100
50–64	Male	8343	86.72
	Female	1278	13.28
	Total	9621	100
65–74	Male	5654	80.82
	Female	1342	19.18
	Total	6996	100
≥ 75	Male	2452	63.11
	Female	1433	36.89
	Total	3885	100
Total	Male	19913	81.42
	Female	4476	18.58
	Total	24089	100
Time of infarction (year)		n	%
2001		3245	13.47
2002		3461	14.37
2003		3970	16.48
2004		4455	18.49
2005		4966	20.62
2006		3992	16.57
Employment status		n	%
Self-employed		1559	6.47
Employee/worker		10125	42.03
Pensioner/unemployed/welfare recipient/other		12405	51.50
Cardiac medication in the year preceding infarction		n	%
Acetylsalicylic acid (aspirin)		4039	16.77
Beta-blocker		7892	32.76
ACE inhibitor		8687	36.06
Statin		4594	19.07
Inpatient treatment		n	%
Angiography		15863	65.85
Bypass		1099	4.56
Cardiac pacemaker		211	0.88
PCI Total		12593	52.28
PCI with stent		10881	45.17
PCI with non-drug-eluting stent		9601	39.86
PCI with drug-eluting stent		1548	6.43

PCI, percutaneous coronary intervention; ACE, angiotensin-converting enzyme