TABLE 3.
Procedural characteristics of the recurrent and non-recurrent groups.
| Recurrent group (n = 22) | Non-recurrent group (n = 42) | p-value | |
| Low voltage in LA n (%) | 14 (63.6) | 19 (45.2) | 0.162 |
| Anterior wall n (%) | 12 (54.5) | 17 (40.5) | 0.283 |
| Posterior wall n (%) | 1 (4.5) | 8 (19.0) | 0.196 |
| Roof n (%) | 9 (40.9) | 4 (9.5) | 0.007 |
| Septum n (%) | 3 (13.6) | 1 (2.4) | 0.113 |
| Substrate modification n (%) | 10 (45.4) | 15 (35.7) | 0.448 |
| Linear ablation n (%) | 12 (54.5) | 19 (45.2) | 0.479 |
| Anterior wall n (%) | 11 (50.0) | 12 (28.6) | 0.090 |
| Posterior wall n (%) | 1 (4.5) | 7 (16.7) | 0.245 |
| Roof n (%) | 7 (31.8) | 7 (16.7) | 0.208 |
| CTI n (%) | 9 (40.9) | 13 (31.0) | 0.426 |
| AT n (%) | 12 (50.4) | 16 (38.1) | 0.208 |
| Roof-dependent reentry n (%) | 2 (9.1) | 4 (9.5) | >0.999 |
| MA-dependent reentry n (%) | 6 (27.3) | 6 (14.3) | 0.312 |
| TA-dependent reentry n (%) | 2 (9.1) | 2 (4.8) | 0.603 |
| Focal n (%) | 1 (4.5) | 3 (7.1) | >0.999 |
| Non-PV triggers n (%) | 2 (9.1) | 7 (16.7) | 0.707 |
| Empirical SVC isolation (%) | 6/21 (28.6) | 23/38 (60.5) | 0.019 |
AT, atrial tachycardia; CTI, cavo-tricuspid isthmus; LA, left atrium; MA, mitral annulus; SVC, superior vena cava; TA, the tricuspid annulus.