Table 2.
Rate of transmission, overall and by priority.
| Transmission priority | All (n=153, 107 patient-years) | CRT-Da (n=76, 53 patient-years) | ICDb (n=15, 10 patient-years) | IPGc (n=61, 61 patient-years) | CRT-Pd (n=1, 1 patient-year) | |
| All transmission | ||||||
|
|
Transmissions, n | 654 | 426 | 50 | 176 | 2 |
| Annual rate of transmissions per 100 patient-years (95% CI) | 613 (568-662) | 802 (729-882) | 504 (382-665) | 410 (354-476) | —e | |
| No prioritized event (green transmissions) | ||||||
|
|
Transmissions, n (%) | 551 (84.3) | 364 (85.4) | 40 (80.0) | 147 (83.5) | 0 (0.0) |
| Patients with green transmission, n | 141 | 67 | 14 | 60 | 0 | |
| Annual rate of transmissions per 100 patient-years (95% CI) | 517 (475-561) | 648 (585-718) | 393 (288-536) | 333 (283-391) | — | |
| Low-priority events (amber transmissions) | ||||||
|
|
Transmissions, n (%) | 88 (13.5) | 53 (12.4) | 9 (18.0) | 24 (13.6) | 2 (100) |
| Patients with amber transmission, n | 50 | 28 | 4 | 17 | 1 | |
| Annual rate of transmissions per 100 patient-years (95% CI) | 82.5 (66.9-102) | 94.4 (72.1-124) | 88.4 (46.0-170) | 54.3 (36.4-81.1) | 277 (69.2-1106) | |
| High priority events (red transmissions) | ||||||
|
|
Transmissions, n (%) | 15 (2.2) | 9 (2.2) | 1 (2.0) | 5 (1.7) | 0 (0.0) |
| Patients with red transmission, n | 9 | 5 | 1 | 3 | 0 | |
| Annual rate of transmissions per 100 patient-years (95% CI) | 14.1 (8.5-23.3) | 16.0 (8.3-30.8) | 9.8 (1.4-69.7) | 11.3 (4.7-27.2) | — | |
aCRT-D: cardiac resynchronization therapy defibrillator.
bICD: single- or dual-chamber implantable cardioverter defibrillator.
cIPG: single- or dual-chamber pacemaker.
dCRT-P: cardiac resynchronization therapy pacemaker.
eNot applicable.