Table 1. Baseline Characteristics in Participants With or Without Atrial Fibrillation.
| Atrial Fibrillation |
|||
|---|---|---|---|
| Variable | No (n=916 [96%]) |
Yes (n=40 [4%]) |
P-Value |
| Age (years) ± SD | 66 ± 10 | 73 ± 9 | < 0.001 |
| Men | 742 (81%) | 37 (93%) | 0.07 |
| Caucasian | 539 (59%) | 35 (88%) | |
| African-American | 155 (17%) | 0 | 0.01 |
| Other | 221 (24%) | 5 (13%) | |
| Hypertension | 649 (71%) | 23 (59%) | 0.10 |
| Myocardial Infarction | 493 (54%) | 19 (50%) | 0.61 |
| Coronary Revascularization | 536 (59%) | 23 (58%) | 0.90 |
| Heart Failure | 153 (17%) | 10 (26%) | 0.15 |
| Diabetes mellitus | 248 (27%) | 8 (21%) | 0.41 |
| Body mass index (kg/m2) ± SD | 28 ± 5 | 30 ± 8 | 0.22 |
| Ejection Fraction (%) ± SD | 62 ± 9 | 59 ±9 | 0.06 |
| Left Ventricular Mass Index (g/m2) ± SD | 97 ± 25 | 96 ± 25 | 0.78 |
| C-reactive protein (mg/dL)** | 2.1 [0.9, 4.9] | 2.8 [1.8, 5.3] | 0.11 |
| Systolic blood pressure (mmHg) ± SD | 133 ± 21 | 129 ± 21 | 0.10 |
| Diastolic blood pressure (mmHg) ± SD | 74 ± 11 | 74 ± 11 | 0.63 |
| Total cholesterol (mg/dL) | 179 ± 43 | 164 ± 42 | 0.03 |
| High-density lipoprotein (mg/dL) | 46 ± 14 | 43 ± 10 | 0.20 |
| eGFRcys** (ml/min/1.73m2) ± SD | 72 ± 23 | 57± 20 | < 0.01 |
| eGFRCr** (ml/min/1.73m2) ± SD | 77 ± 23 | 66 ± 19 | < 0.001 |
| Albumin to Creatinine Ratio (mg/g)*** | 10 [6, 19] | 16 [9, 46] | < 0.01 |
*
p value for trend
**
eGFRCys = estimated glomerular filtration rate based on serum cystatin C; eGFRCr = estimated glomerular filtration rate based on serum creatinine
***
Median [Interquartile Range]