Table 1.
Baseline Characteristics of ALLHAT Participants with and Without Incident Atrial Fibrillation or Atrial Flutter*
| Characteristic | Without AF/AFL (n = 12,323) | Incident AF/AFL (n = 2,514) | P value* |
|---|---|---|---|
| Age, years, mean (SD) | 71.1 (6.5) | 72.9 (6.4) | <0.001 |
| Female Gender, n (%) | 7,043 (57.2) | 1,324 (52.7) | <0.001 |
| Race, n (%) | <0.001 | ||
| White Non-Hispanic | 5,440 (44.2) | 1,610 (64.0) | |
| Black | 4,399 (35.7) | 644 (25.6) | |
| Hispanic | 2,297 (18.6) | 235 (9.4) | |
| Other | 187 (1.5) | 25 (1.0) | |
| Body Mass Index, kg/m2, mean (SD) | 29.1 (5.9) | 29.5 (6.2) | 0.005 |
| Current Smoker, n (%) | 2,076 (16.8) | 390 (15.5) | 0.102 |
| Coronary Heart Disease, n (%) | 3,190 (25.9) | 859 (34.2) | <0.001 |
| Diabetes, n (%) | 4,839 (39.3) | 978 (38.9) | 0.88 |
| Left Ventricular Hypertrophy, n (%) | 593 (4.8) | 164 (6.5) | 0.001 |
| GFR, ml/min/1.73 m2, mean (SD) | 74.3 (19.4) | 71.8 (19.1) | <0.001 |
| Serum potassium, mEq/L, mean (SD) | 4.3 (0.5) | 4.3 (0.5) | 0.78 |
| Cholesterol, mg/dL, mean (SD) | |||
| Total | 217.9 (43.9) | 213.3 (43.2) | <0.001 |
| HDL | 48.5 (14.9) | 46.9 (15.3) | <0.001 |
| LDL | 136.8 (37.2) | 133.3 (36.1) | <0.001 |
*
P values are for the comparison of the indicated characteristic in participants with versus without incident atrial fibrillation or flutter. Participants with prevalent atrial fibrillation or flutter have been excluded. AF, atrial fibrillation; AFL, atrial flutter; GFR, glomerular filtration rate; HDL, high density lipoprotein; LDL, low density lipoprotein; SD, standard deviation.