Table 2.
Event rates by atrial fibrillation/flutter status
| Atrial fibrillation/flutter on baseline ECG
|
P-value | ||
|---|---|---|---|
| Yes (n = 492) | No (n = 866) | ||
| 12-month event rates | |||
| All-cause mortality | 81 (16.5) | 158 (18.2) | 0.407 |
| CVM or HHF | 190 (38.6) | 293 (33.8) | 0.077 |
| CVM | 71 (14.4) | 150 (17.3) | 0.166 |
| Pump failure | 24 (4.9) | 60 (6.9) | 0.132 |
| Sudden cardiac death | 22 (4.5) | 51 (5.9) | 0.266 |
| Fatal myocardial infarction | 3 (0.6) | 11 (1.3) | 0.402 |
| Presumed sudden death | 3 (0.6) | 5 (0.6) | 1.000 |
| Presumed CV death | 6 (1.2) | 15 (1.7) | 0.462 |
| Other CV death | 1 (0.2) | 1 (0.1) | 1.000 |
| Fatal stroke | 9 (1.8) | 3 (0.3) | 0.011 |
| CV procedural | 0 (0.0) | 2 (0.2) | 0.538 |
| Unknown | 3 (0.6) | 2 (0.2) | 0.359 |
| HHF | 152 (30.9) | 208 (24.0) | 0.006 |
| All-cause rehospitalization | 261 (53.0) | 363 (41.9) | <0.001 |
| CV event | 197 (40.0) | 312 (36.0) | 0.142 |
| Myocardial infarction | 15 (3.0) | 35 (4.0) | 0.350 |
| Stroke | 18 (3.7) | 19 (2.2) | 0.111 |
| 6-month event rates | |||
| All-cause mortality | 50 (10.2) | 95 (11.0) | 0.643 |
| CVM or HHF | 143 (29.1) | 205 (23.7) | 0.029 |
| CVM | 46 (9.3) | 92 (10.6) | 0.455 |
| HHF | 118 (24.0) | 149 (17.2) | 0.003 |
| All-cause rehospitalization | 220 (44.7) | 283 (32.7) | <0.001 |
| 30-day event rates | |||
| All-cause mortality | 7 (1.4) | 17 (2.0) | 0.468 |
| HHF | 31 (6.3) | 43 (5.0) | 0.297 |
| All-cause rehospitalization | 70 (14.2) | 108 (12.5) | 0.357 |
CV, cardiovascular; CVM, cardiovascular mortality; HHF, hospitalization for heart failure