Table 4.
Distribution of alarms in training, test, and combined sets.
| Training (n=267) | Test (n=180) | Combined training and test sets (n=447) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alarm Type | FALSE | TRUE | TOTAL | FA RATE (%) | FALSE | TRUE | TOTAL | FA RATE (%) | FALSE | TRUE | TOTAL | FA RATE (%) |
| Asystole | 281 | 35 | 316 | 88.9 | 244 | 19 | 263 | 92.8 | 525 | 54 | 579 | 90.7 |
| Brady | 143 | 207 | 350 | 40.9 | 67 | 300 | 367 | 18.3 | 210 | 507 | 717 | 29.3 |
| Tachy | 256 | 816 | 1072 | 23.9 | 177 | 628 | 805 | 22.0 | 433 | 1444 | 1877 | 23.1 |
| VTach | 484 | 517 | 1001 | 48.4 | 401 | 498 | 899 | 44.6 | 885 | 1015 | 1900 | 46.6 |
| VT/VF | 137 | 39 | 176 | 77.8 | 112 | 25 | 137 | 81.8 | 249 | 64 | 313 | 79.6 |
| Total alarms | 1301 | 1614 | 2915 | 44.6 | 1001 | 1470 | 2471 | 40.5 | 2302 | 3084 | 5386 | 42.7 |