Table 4.
Effectiveness Outcome Events by Ablation Catheter (covariate-unadjusted data)
| Mercy | Mayo Clinic | |||
|---|---|---|---|---|
| ThermoCool STSF (n=35) | ThermoCool ST (n=23) | ThermoCool STSF (n=35) | ThermoCool ST (n=84) | |
| Effectiveness Outcome Events | N (%) | N (%) | N (%) | N (%) |
| Within 6 months post index ablation | ||||
| Rehospitalization for VT | 3 (8.6%) | 2 (8.7%) | 2 (5.7%) | 5 (6.0%) |
| Rehospitalization for heart failure | 2 (5.7%) | 2 (8.7%) | 2 (5.7%) | 5 (6.0%) |
| Repeat ablation for VT | 2 (5.7%) | 0 (0.0%) | 2 (5.7%) | 4 (4.8%) |
| Number of effectiveness events † | 7 (20.0%) | 4 (17.4%) | 6 (17.1%) | 14 (16.7%) |
| Number of patients who had effectiveness events | 6 (17.1%) | 4 (17.4%) | 4 (11.4%) | 8 (9.5%) |
| Within 1 year post index ablation | ||||
| Rehospitalization for VT | 3 (8.6%) | 2 (8.7%) | 5 (14.3%) | 10 (11.9%) |
| Rehospitalization for heart failure | 3 (8.6%) | 3 (13.0%) | 5 (14.3%) | 8 (9.5%) |
| Repeat ablation for VT | 2 (5.7%) | 0 (0.0%) | 4 (11.4%) | 5 (6.0%) |
| Number of effectiveness events † | 8 (22.9%) | 5 (21.7%) | 14 (40.0%) | 23 (27.4%) |
| Number of patients who had effectiveness events | 7 (20.0%) | 5 (21.7%) | 8 (22.9%) | 15 (17.9%) |
†
Duplicate patients may be included due to multiple events in a patient.