Table 1.
Baseline Characteristics
| Total Study Population (N=450) | Major Complications (n=10) | |
|---|---|---|
| Age, y | 59.1±9.9 | 61.2±10.9 |
| Women | 25.8% (n=116) | 40% (n=4) |
| Duration of symptoms >1 y | 74.6% | 62.5% |
| Persistent AF | 30.2% (n=136) | 40% (n=4) |
| Previous AF ablation | 11.1% (n=50) | 0% (n=0) |
| Hypertension | 57.6% (n=259) | 60.0% (n=6) |
| Diabetes mellitus | 13.3% (n=60) | 10% (n=1) |
| Heart failure | 12.0% (n=54) | 20.0% (n=2) |
| Coronary artery disease | 16.0% (n=72) | 20.0% (n=2) |
| Left ventricular ejection fraction (%) | 55±7 | 50±10 |
| Left atrial size, mm | 4.3±2.4 | 4.0±0.9 |
| Body mass index, kg/m2 | 31.3±6.0 | 30.5±4.7 |
| Height, m | 1.8±0.1 | 1.7±0.1 |
| Weight, lb | 215±50 | 198±36 |
| CHA2DS2VASC score | 1.7±1.3 | 1.9±1.4 |
| 23‐mm balloon use | 6.4% (n=29) | 20.0% (n=2) |
| Procedural time, min | 136±49 | 130±37 |
| Fluoroscopy time, min | 33.0±17 | 28.4±6.1 |
AF indicates atrial fibrillation.