Table 4.
Outcomes
| Ultra‐Conservative (N=44) | Control (N=39) | Combined (N=83) | P Value | |
|---|---|---|---|---|
| Patients experiencing ICD shock | 7 (16%) | 8 (21%) | 15 (18%) | 0.66 |
| Patients experiencing inappropriate shocks | 4 (9%) | 1 (3%) | 5 (6%) | 0.35 |
| Patients hospitalized for arrhythmia or CHF | 11 (26%) | 8 (22%) | 19 (24%) | 0.16 |
| Mortality | 8 (18%) | 8 (21%) | 16 (19%) | 0.79 |
| CRT‐ON (n=20) | CRT‐OFF (n=21) | Combined (n=41) | P Value | |
|---|---|---|---|---|
| Patients experiencing ICD shocks | 2 (10%) | 8 (38%) | 10 (24%) | 0.08 |
| Patients experiencing inappropriate shocks | 0 (0%) | 2 (10%) | 2 (5%) | 0.16 |
| Patients hospitalized for arrhythmia | 0 (0%) | 2 (9.5%) | 2 (4.8%) | 0.16 |
| Patients hospitalized for CHF | 5 (25%) | 6 (28%) | 11 (27%) | 0.71 |
All values presented as number of patients followed by percent of group, P‐value calculated using Pearson test. CHF indicates congestive heart failure; CRT, cardiac resynchronization therapy; ICD, implantable cardioverter‐defibrillator.