Table 2.
Logistic regression analysis for recurrence of AF after a single procedure
| Univariable |
Multivariable |
|||
|---|---|---|---|---|
| Variable | p Value | OR (95% CI) | p Value | OR (95% CI) |
| Age | 0.374 | 1.02 (0.98 to 1.05) | ||
| Female sex | 0.092 | 2.59 (0.86 to 7.84) | 0.063 | |
| Hypertension | 0.559 | 1.22 (0.62 to 2.39) | ||
| Body mass index | 0.671 | 0.98 (0.91 to 1.06) | ||
| Diabetes | 0.388 | 0.57 (0.16 to 2.04) | ||
| LA diameter (mm) | 0.564 | 1.02 (0.95 to 1.09) | ||
| Time since diagnosis* | 0.985 | 1.00 (0.99 to 1.01) | ||
| Current episode length* | 0.406 | 1.02 (0.98 to 1.06) | ||
| Long-standing PeAF | 0.776 | 0.88 (0.37 to 2.10) | ||
| General anaesthesia | 0.195 | 2.72 (0.60 to 12.37) | ||
| 3D mapping | 0.989 | 0.99 (0.30 to 3.24) | ||
| CT integration | 0.008 | 0.39 (0.19 to 0.78) | 0.003 | 0.33 (0.16 to 0.69) |
| WACA | 0.349 | 0.72 (0.36 to 1.44) | ||
| Linear ablation | 0.775 | 1.10 (0.56 to 2.19) | ||
| CFAE ablation | 0.192 | 1.64 (0.78 to 3.44) | ||
| AF as initial rhythm | 0.037 | 2.05 (1.05 to 4.03) | 0.009 | 2.59 (1.27 to 5.31) |
| Ablate to SR† | 0.163 | 0.52 (0.20 to 1.31) | ||
*Time in months.
†Compared with those cardioverted to SR.
3D, three-dimensional; AF, atrial fibrillation; CFAE, complex fractionated atrial electrogram; LA, left atrial; PeAF, persistent AF; SR, sinus rhythm; WACA, wide area circumferential ablation.