Table 1.
Comparison of baseline characteristics of two groups
| Variable | Group 1, n = 15 | Group 2, n = 12 | P Value, Significance <0.05 |
|---|---|---|---|
| Age, y | 64.3 ± 10.4 | 64.6 ± 7.2 | 0.94 |
| Male sex | 11 (73.3%) | 11 (91.7%) | 0.34 |
| BMI, kg/m2 | 29.3 ± 5.7 | 31.9 ± 5.8 | 0.25 |
| CHA2DS2VASC | 1.9 ± 1.2 | 2.1 ± 1.8 | 0.80 |
| Hypertension | 11 (73.3%) | 7 (58.3%) | 0.45 |
| Diabetes mellitus | 0 (0%) | 1 (8.3%) | 0.26 |
| CHF | 1 (6.7%) | 1 (8.3%) | 1.00 |
| CAD | 2 (13.3%) | 3 (25%) | 0.44 |
| OSA | 3 (20%) | 4 (33.3%) | 0.43 |
| AF duration, y | 4.7 ± 4.0 | 4.0 ± 4.0 | 0.56 |
| Persistent AF | 13 (86.7%) | 10 (83.3%) | 0.81 |
| Long‐standing persistent AF | 2 (13.3%) | 2 (16.7%) | 0.45 |
| LVEF, % | 56.9 ± 2.5 | 48.7 ± 8.7 | 0.005 |
| LA size, cm | 4.8 ± 0.9 | 4.5 ± 0.7 | 0.50 |
| Redo procedure | 9 (60%) | 5 (41.7%) | 0.45 |
| Procedure time, min | 361 ± 69.2 | 389 ± 72.6 | 0.24 |
| Fluoroscopy time, min | 57.5 ± 11.8 | 62.9 ± 10.2 | 0.23 |
| RF time, min | 44.6 ± 15.5 | 44.4 ± 13.9 | 0.97 |
| Total no. of rotors | 2.7 ± 1.4 | 3.2 ± 1.0 | 0.13 |
| Rotors in RA | 1 ± 0.7 | 1.1 ± 1.1 | 0.94 |
| Rotors in LA | 1.7 ± 1.4 | 2.1 ± 1.0 | 0.18 |
| Intraprocedure cardioversion | 13 (86.7%) | 9 (75%) | 0.63 |
| Early recurrence | 6 (66.7%) | 3 (33.3%) | 0.68 |
Abbreviations: AF, atrial fibrillation; BMI, body mass index; CAD, coronary artery disease; CHA2DS2VASC, congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, stroke, vascular disease, age 65–74 years, sex category; CHF, congestive heart failure; LA, left atrium; LVEF, left ventricular ejection fraction; OSA, obstructive sleep apnea; RA, right atrium; RF, radiofrequency.