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Table 1 Baseline characteristics of patients who did and did not develop atrial fibrillation during follow-up

From: Association of right atrial structure with incident atrial fibrillation: a longitudinal cohort cardiovascular magnetic resonance study from the Multi-Ethnic Study of Atherosclerosis (MESA)

 Developed AF
N = 368 (11.7%)
No AF
N = 2779 (88.3%)
P value
Age (years), mean ± SD69.2 ± 8.061 ± 10< 0.001
Males, n(%)188 (51%)1231 (44%)0.01
Race, n(%)< 0.001
 Caucasian183 (50%)1032 (37%) 
 Hispanic57 (16%)603 (22%) 
 African American85 (23%)784 (28%) 
 Chinese43 (11%)361 (13%) 
Smoker (past or current), n(%)204 (55%)1327 (48%)0.004
BMI (kg/m2), mean ± SD27.9 ± 527.9 ± 5.60.85
Systolic blood pressure (mmHg), mean ± SD133 ± 23123 ± 20< 0.001
Diastolic blood pressure (mmHg), mean ± SD72 ± 1072 ± 100.89
Taking blood pressure medication, n(%)180 (49%)880 (32%)< 0.001
Total cholesterol (mg/dl), mean ± SD195 ± 35195 ± 360.78
HDL (mg/dl), mean ± SD52.4 ± 16.251.4 ± 14.90.24
Taking lipid lowering medications, n(%)81 (22.1%)414 (14.9%)< 0.001
Fasting glucose (mg/dL), mean ± SD102 ± 3797 ± 310.009
Diabetes, n(%)0.054
 Impaired fasting glucose50 (14%)343 (12%) 
 Diabetes64 (17%)365 (13%) 
Alcohol Use0.34
 Current198 (58%)1574 (57%) 
 Former94 (26%)615 (22%) 
  1. Values are mean ± SD or %
  2. AF atrial fibrillation, SD Standard deviation, BMI Body mass index, HDL High density lipoprotein