Table 2.
Comorbidities by Treatment Assignment
| Comorbidity | Total (N = 1,214) | ICD Only (n = 490) | CRT-D (n = 724) |
|---|---|---|---|
| GFR <60 ml/min/1.73 m2 | 394 (32) | 164 (33) | 230 (32) |
| Diabetes | 362 (30) | 147 (30) | 215 (30) |
| Prior atrial arrhythmias | 133 (11) | 66 (13) | 67 (9) |
| Prior ventricular arrhythmias | 75 (6) | 33 (7) | 42 (6) |
| Hypertension | 755 (62) | 312 (64) | 443 (61) |
| Coronary artery disease | 566 (47) | 232 (47) | 334 (46) |
| Current smoking | 132 (11) | 58 (12) | 74 (10) |
| Cerebrovascular disease | 75 (6) | 36 (7) | 39 (5) |
Values are n (%).
CRT-D = cardiac resynchronization therapy with defibrillator; GFR = glomerular filtration rate; ICD = implantable cardioverter-defibrillator.