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

Table 4

Subpopulation analysis showing the effect of African American race on prevalence of atrial fibrillation.

Subpopulation (Ref. #)	AA AF%	Caucasian AF%	Sample size	OR (95% CI)	P value
Age > 50 years [16, 17]	2.0%	2.6%	574,700	0.66 (0.61–0.71)	<0.001
Hospitalized or elderly [7, 21, 22]*	3.9%	8.4%	239,623	0.46 (0.36–0.59)	<0.001
Post-CABG surgery [23, 24]	18%	25%	3,577	0.62 (0.52–0.76)	<0.001
Heart failure [18, 19]	20%	38%	1,536	0.39 (0.29–0.54)	<0.001

*Utilized the Mantel-Haenszel method, carrying out a random effects model, given that the test for heterogeneity is statistically significant; Q = 8.7242; DF = 2; 𝐼² = 77.1%; 𝑃 = 0.0128. AA = African American; AF = atrial fibrillation; CABG = coronary artery bypass grafting; CI = confidence interval; OR = odds ratio.