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. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: Am Heart J. 2009 Jul;158(1):111–117. doi: 10.1016/j.ahj.2009.05.010

Table 3.

Race-, sex- and age-specific incidence (per 1,000 person-years) of atrial fibrillation (AF), Atherosclerosis Risk in Communities Study, 1987-2004.

	Whites						African-Americans
	Women			Men			Women			Men
Age	AF	Person-	Incidence^*	AF	Person-	Incidence^*	AF	Person-	Incidence^*	AF	Person-	Incidence^*
	cases	years		cases	years		cases	years		cases	years
45-49	0	5055	0	5	3600	1.4	1	2534	0.4	1	1478	0.7
50-54	9	12976	0.7	23	10040	2.3	3	6135	0.5	3	3446	0.9
55-59	34	20180	1.7	60	16373	3.7	11	8926	1.2	7	4939	1.4
60-64	76	23298	3.3	118	20213	5.8	24	9436	2.5	22	5382	4.1
65-69	106	17364	6.1	140	15823	8.8	27	6365	4.2	22	3820	5.8
70-74	90	9632	9.3	108	8748	12.3	34	3244	10.5	21	1924	10.9
75-79	50	3232	15.5	61	2900	21.0	11	987	11.1	7	642	10.9
80+	4	121	33.1	5	105	47.5	1	34	29.3	1	24	41.1
Total	369	91858	4.0	520	77802	6.7	112	37661	3.0	84	21655	3.9

^*

AF cases per 1,000 person-years of follow-up