Table 1.

Baseline Characteristics of Atrial Fibrillation Patients in Study, Optum Clinformatics, 2009–2015

	All	Whites	Blacks	Hispanics
N	267,419	225,116	22,808	19,495
Age, years	73.1 (12.3)	73.2 (12.1)	71.2 (13.0)	73.4 (12.9)
Women, %	46.6	46.0	51.0	47.6
CHA2DS2-VASc	4.1 (2.1)	4.1 (2.1)	4.4 (2.1)	4.5 (2.1)
Heart failure, %	32.7	31.5	40.5	38.1
Hypertension, %	82.3	81.3	88.3	86.6
Diabetes, %	33.9	31.8	43.6	47.3
Ischemic stroke, %	26.7	26.2	29.9	29.3
Vascular disease, %	31.9	31.1	34.5	38.2
Income, %*
<$40K	39.5	37.5	54.8	45.6
$40K-$49K	10.0	9.8	10.9	10.8
$50K-$59K	8.7	8.6	8.4	9.3
$60K-$74K	10.2	10.3	9.2	10.1
$75K-$99K	12.0	12.4	8.3	10.9
$100K+	19.7	21.4	8.5	13.4
Education, %**
< 12th Grade	0.6	0.3	0.5	5.2
High School Diploma	30.4	26.8	54.1	43.8
< Bachelor Degree	56.0	58.5	41.6	43.5
Bachelor Degree or more	13.0	14.5	3.8	7.5

Data are presented as mean and standard deviation unless otherwise stated.

^*Based on 198,666 whites, 19,925 blacks, and 16,609 Hispanics

^**Based on 224,502 whites, 22,782 blacks, and 19,435 Hispanics