Table 4.
Procedural data and events during follow-up in patients ≥60 and those <60 years of age
| Patients ≥60 (N=72) | Patients <60 (N=889) | p Value | |
|---|---|---|---|
| Accessory pathway ablation | 30/72 (41.7%) | 431/889 (48.5%) | 0.27 |
| Failure or recurrence after ablation | 6/30 (20%) | 67/431 (15.5%) | 0.52 |
| Failure alone | 5/30 (17%) | 39/431 (11.4%) | 0.17 |
| Minor complications of ablation | 2/30 (6.7%) | 5/431 (1.2%) | 0.03 |
| Major complications of ablation | 3/30 (10%) | 8/431 (1.9%) | 0.005 |
| Tamponade | 1 | 3 | |
| Arteriovenous fistula requiring surgery | 2 | 1 | |
| Ventricular fibrillation | 1 | ||
| Complete AV block | 3 | ||
| Occurrence of AF | 10/72 (13.9%) | 32/889 (3.6%) | <0.001 |
| Duration of follow-up | 5.21±5 | 5.2±5 | 0.156 |
AF, atrial fibrillation; AV, atrioventricular.