Table 1.
Characteristics of Patient Population at Baseline (n = 132)
| Survival Free of Atrial | Incident Atrial | ||||
|---|---|---|---|---|---|
| Fibrillation (n = 122) | Fibrillation (n = 10) | ||||
| Mean (n) | SD (%) | Mean (n) | SD (%) | P value | |
| Age (years) | 56.4 | ±15.3 | 64.8 | ±16.9 | 0.158 |
| Women | 60 | 49% | 5 | 50% | 0.963 |
| Prior stroke | 7 | 6% | 1 | 10% | 0.686 |
| Hypertension | 58 | 48% | 4 | 40% | 0.666 |
| Diabetes mellitus | 9 | 7% | 1 | 10% | 0.804 |
| Coronary artery disease | 50 | 42% | 5 | 50% | 0.654 |
| Chronic kidney disease | 5 | 4% | 2 | 20% | 0.267 |
| Family history of sudden cardiac death | 13 | 11% | 2 | 20% | 0.168 |
| Syncope | 36 | 30% | 2 | 20% | 0.510 |
| NYHA functional class | 2.9 | ± 0.4 | 2.9 | ± 0.3 | – |
| Medications | |||||
| Beta‐blocker | 89 | 75% | 8 | 80% | 0.716 |
| Calcium channel blocker | 57 | 48% | 3 | 30% | 0.286 |
| Angiotensin converting enzyme inhibitor | 19 | 16% | 1 | 10% | 0.583 |
| Disopyramide | 9 | 8% | 1 | 10% | 0.818 |
| Amiodarone | 1 | 1% | 1 | 10% | 0.385 |
Values are expressed as either mean ± standard deviation (SD) or number (n) and percentage (%). NYHA = New York Heart Association; – = not enough observations for comparison.