. Author manuscript; available in PMC: 2012 Oct 1.

Published in final edited form as: Circ Arrhythm Electrophysiol. 2011 Aug 13;4(5):644–652. doi: 10.1161/CIRCEP.111.962670

Table 2. Unadjusted Comparison of Postoperative AF between Racial/Ethnic Groups.

Race/Ethnic Group	Total	AF (%)	RR (vs. white)	P-value (vs. white)	RR (vs. black)	P-value (vs. black)
White	23,625	9,022 (38%)	NA	NA	1.56	<.0001
Black	1,323	324 (24%)	0.64	<.0001	NA	NA
Hispanic	246	71 (29%)	0.76	0.006	1.18	0.1
Asian	222	65 (29%)	0.77	0.02	1.2	0.1
Native American	7	1 (14%)	0.37	0.2	0.58	1^*
Other	1,444	413 (29%)	0.75	<.0001	1.17	0.01

Fisher's exact test

KEY: AF indicates atrial fibrillation; RR, relative risk.