Variable | Overall (n = 65) | Primary success group (n = 35) | Unsuccessful group (n = 30) | P value |
---|---|---|---|---|
Number of shocks during the first session | 1 (1-2) | 1 (1-2) | 2 (1-2) | 0.01 |
Pretreatment | 39 (60) | 22 (63) | 17 (57) | 0.61 |
Landiolol | 28 (43) | 13 (37) | 15 (50) | 0.30 |
Other beta blockers | 2 (3) | 2 (6) | 0 (0) | 0.50 |
Amiodarone | 5 (8) | 5 (14) | 0 (0) | 0.06 |
Aprindine | 4 (6) | 3 (9) | 1 (3) | 0.62 |
Pilsicainide | 4 (6) | 3 (9) | 1 (3) | 0.62 |
Magnesium sulfate | 5 (8) | 3 (9) | 2 (7) | 1.00 |
Verapamil | 3 (5) | 2 (6) | 1 (3) | 1.00 |
Diltiazem | 1 (2) | 1 (3) | 0 (0) | 1.00 |
Anticoagulation during the first session | 13 (20) | 8 (23) | 5 (17) | 0.53 |