Table 2.

Incidence of Silent and Clinically Manifest Myocardial Infarction by Sex and Race: ARIC 1987–89 to 1996–98.

	SMI		CMI
	Events N (%)	Incidence per 1000 person-years	Events N (%)	Incidence per 1000 person-years
All population (n=9,498)	317 (3.3)	3.84 (2.84–4.84)	386 (4.1)	4.68 (3.51–5.84)
Men (n=4,098)	178 (4.3)	5.08 (3.34–6.82)	279 (6.8)	7.96 (5.64–10.3)
Women (n=5,400)	139 (2.6)	2.93 (1.77–4.09)	107 (2.0)	2.25 (1.18–3.33)
White (n=7,568)	243 (3.2)	3.69 (2.59–4.79)	332 (4.4)	5.04 (3.69–6.39)
Black (n=1,930)	74 (3.8)	4.45 (2.05–6.84)	54 (2.8)	3.24 (1.13–5.36)

MI= myocardial infarction; SMI= Silent MI; CMI= MI with clinical manifestations.