African American Race and Prevalence of Atrial Fibrillation:A Meta-Analysis

Table 1

Characteristics of included studies in the meta-analysis.

First Author; Year (Ref)	Study Years	AA, n	Caucasian, n	Age, yrs	Population	Study design	Enrollment states
Marcus et al. 2010 [7]	1989-1999	804	4,543	>65	Older population	Cohort	15 U.S. states**, Washington D.C.
Go et al. 2001 [16]	1996-1997	39,579	519,714	>50*	General population	Cross-sectional	California
Alonso et al. 2009 [17]	1987–2004	4,115	11,292	>55*	General population	Cohort	Maryland,
							Minnesota,
							Mississippi,
							N. Carolina
Afzal et al. 1999 [18]	1996	113	50	>35*	Heart failure	Cohort	Michigan
Ruo et al. 2004 [19]	1999-2000	223	1,150	>35*	Heart failure	Cohort	California
Winkelmayer; et al. 2011 [20]	1992–2006	90,217	121,698	>30*	Hemodialysis	Cohort	United States
Upshaw Jr. 2002 [21]	1996–1998	922	1,201	>20	Hospitalized patients	Cohort	Georgia
Shen et al. 2010 [22]	2008	40,293	191,860	>60	Older population	Cross-sectional	California
Smith et al. 2006 [23]	1993–2005	644	1,932	>25*	Post-CABG	Case control	Ohio
Lahiri et al. 2011 [24]	2004–2008	270	731	>25*	Post-CABG	Cohort	Michigan

*More than 99% of patients were older than the stated age, according to reported study demographics. It should be noted that in patients less than 50 years of age, the prevalence of AF was similar across racial lines in the general population.
**States included Alabama, California, Connecticut, Florida, Georgia, Illinois, Iowa, Maryland, Minnesota, North Carolina, Oregon, Pennsylvania, Tennessee, Texas, and Washington.
AA = African American; CABG = coronary artery bypass grafting.