Table 1.
Characteristics of Medicare Fee‐for‐Service Beneficiaries, 2015
| Total study population | N = 20 124 230 |
|---|---|
| Age in y, mean (Standard deviation) | 77.1 (7.5) |
| Age categories | |
| Age 68‐69, number (%) | 3 305 331 (16.4) |
| Age 70‐74, number (%) | 5 930 816 (29.5) |
| Age 75‐79, number (%) | 4 291 281 (21.3) |
| Age 80‐84, number (%) | 2 932 088 (14.6) |
| Age 85+, number (%) | 3 664 714 (18.2) |
| Sex | |
| Male, number (%) | 8 804 917 (43.8) |
| Female, number (%) | 11 319 313 (56.3) |
| Race/Ethnicity | |
| Non‐Hispanic white, number (%) | 17 063 348 (84.8) |
| Black (Or African‐American), number (%) | 1 314 619 (6.5) |
| Hispanic, number (%) | 906 574 (4.5) |
| Asian/Pacific Islander, number (%) | 459 445 (2.3) |
| American Indian/Alaska Native, number (%) | 93 017 (0.5) |
| Dual Medicaid Enrollment | |
| Yes, number (%) | 2 256 723 (11.2) |
| No, number (%) | 17 867 507 (88.8) |