Logistic regression analysis for recurrence of AF after multiple (mean 1.75) procedures
| Variable | Univariable | Multivariable | ||||
|---|---|---|---|---|---|---|
| p Value | OR (95% CI) | p Value | OR (95% CI) | |||
| Age | 0.006 | 1.05 (1.01 to 1.08) | 0.018 | 1.05 (1.01 to 1.09) | ||
| Female sex | 0.080 | 2.03 (0.92 to 4.46) | 0.424 | |||
| Hypertension | 0.434 | 1.26 (0.71 to 2.25) | ||||
| BMI | 0.645 | 0.98 (0.92 to 1.05) | ||||
| Diabetes | 0.479 | 0.63 (0.18 to 2.24) | ||||
| LA diameter (mm) | 0.800 | 1.01 (0.95 to 1.06) | ||||
| Time since diagnosis* | 0.071 | 1.01 (1.00 to 1.01) | 0.211 | |||
| Current episode length* | 0.900 | 1.00 (0.98 to 1.02) | ||||
| Long-standing PeAF | 0.353 | 0.68 (0.30 to 1.53) | ||||
| General anaesthesia | 0.594 | 1.31 (0.48 to 3.56) | ||||
| 3D mapping | 0.801 | 0.88 (0.31 to 2.44) | ||||
| CT integration | <0.001 | 0.33 (0.18 to 0.61) | 0.001 | 0.30 (0.15 to 0.60) | ||
| WACA | 0.018 | 0.48 (0.27 to 0.88) | 0.370 | |||
| Linear ablation | 0.202 | 0.68 (0.37 to 1.23) | ||||
| CFAE ablation | 0.755 | 1.10 (0.60 to 2.03) | ||||
| AF as initial rhythm | 0.938 | 0.98 (0.54 to 1.76) | ||||
| Ablate to SR† | 0.138 | 0.51 (0.21 to 1.24) | ||||
| Time to first recurrence‡ | 0.767 | 1.00 (1.00 to 1.00) | ||||
*Time in months.
†Compared with those cardioverted to sinus.
‡For those patients who had a recurrence of AF after their first procedure.
3D, three-dimensional; AF, atrial fibrillation; BMI, body mass index; CFAE, complex fractionated atrial electrogram; LA, left atrial; PeAF, persistent AF; SR, sinus rhythm; WACA, wide area circumferential ablation.