Table 1.
Patient Demographics at Initial Implant, 2007–2013
| Description | ICD | PM | CRT |
|---|---|---|---|
| N (%) | N (%) | N (%) | |
| Total N primary cases | 7929 | 23 772 | 2537 |
| Sex | |||
| Male | 5957 (75.1%) | 13 063 (55.0%) | 1692 (66.7%) |
| Female | 1960 (24.7%) | 10 615 (44.7%) | 833 (32.8%) |
| Unknown | 12 (0.2%) | 94 (0.4%) | 12 (0.5%) |
| Age category, y | |||
| <18 | 37 (0.5%) | 74 (0.3%) | 5 (0.2%) |
| 18 to 64 | 4019 (50.7%) | 3996 (16.8%) | 990 (39.0%) |
| ≥ 65 | 3872 (48.8%) | 19 684 (82.8%) | 1541 (60.7%) |
| Age, ±SD | 63.2 (13.5) | 75.2 (12.4) | 67.2 (11.9) |
| BMI, ±SD | 28.8 (6.5) | 27.8 (6.3) | 29 (6.4) |
| BMI category | |||
| <30 | 5054 (63.7%) | 16 661 (70.1%) | 1545 (60.9%) |
| 30 and ≤35 | 1662 (21.0%) | 4286 (18.0%) | 553 (21.8%) |
| >35 | 1185 (15.0%) | 2609 (11.0%) | 415 (16.4%) |
| Unknown | 28 (0.4%) | 216 (0.9%) | 24 (1.0%) |
| Race | |||
| White | 4401 (55.5%) | 16 437 (69.1%) | 1486 (58.6%) |
| Black | 1264 (15.9%) | 1666 (7.0%) | 382 (15.1%) |
| Asian | 758 (9.6%) | 2283 (9.6%) | 166 (6.5%) |
| Hispanic | 1113 (14.0%) | 2344 (9.9%) | 324 (12.8%) |
| Native American | 14 (0.2%) | 40 (0.2%) | 8 (0.3%) |
| Multiracial | 87 (1.1%) | 174 (0.7%) | 37 (1.5%) |
| Other | 29 (0.4%) | 99 (0.4%) | 12 (0.5%) |
| Unknown | 263 (3.3%) | 729 (3.1%) | 122 (4.8%) |
BMI indicates body mass index; CRT, cardiac resynchronization therapy device; ICD, implantable cardioverter defibrillator; PM, pacemaker.