Table 1. Characteristics of Medicare Fee-for-Service Beneficiaries Aged ≥66 Admitted to Hospital With Acute Ischemic Stroke, Medicare Cohort 2008–2017a .
| Variable | Overall | Non-Hispanic White | Non-Hispanic Black | Hispanic | Otherb |
|---|---|---|---|---|---|
| Total | 1,019,267 (100.0) | 856,648 (84.0) | 94,001 (9.2) | 43,278 (4.2) | 25,340 (2.5) |
| Age, y, median (IQR) | 79.9 (73.5–85.8) | 80.2 (73.9–86.1) | 77.2 (71.4–83.9) | 78.2 (72.3–84.1) | 78.6 (72.6–84.6) |
| Age, y | |||||
| 66–74 | 312,294 (30.6) | 249,424 (29.1) | 38,306 (40.8) | 15,703 (36.3) | 8,861 (35.0) |
| 75–84 | 419,128 (41.1) | 354,990 (41.4) | 35,467 (37.7) | 18,162 (42.0) | 10,509 (41.5) |
| ≥85 | 287,845 (28.2) | 252,234 (29.4) | 20,228 (21.5) | 9,413 (21.8) | 5,970 (23.6) |
| Sex | |||||
| Male | 451,296 (44.3) | 383,081 (44.7) | 36,396 (38.7) | 19,991 (46.2) | 11,828 (46.7) |
| Female | 567,971 (55.7) | 473,567 (55.3) | 57,605 (61.3) | 23,287 (53.8) | 13,512 (53.3) |
| Socioeconomic statusc , % | |||||
| ≤25 | 260,798 (25.6) | 231,553 (27.0) | 14,520 (15.4) | 6,302 (14.6) | 8,423 (33.2) |
| 26–50 | 254,642 (25.0) | 226,558 (26.4) | 13,942 (14.8) | 8,287 (19.1) | 5,855 (23.1) |
| 51–75 | 261,930 (25.7) | 213,565 (24.9) | 27,430 (29.2) | 14,341 (33.1) | 6,594 (26.0) |
| >75 | 241,897 (23.7) | 184,972 (21.6) | 38,109 (40.5) | 14,348 (33.2) | 4,468 (17.6) |
| Charlson Comorbidity Index | |||||
| 0 | 254,247 (24.9) | 224,783 (26.2) | 15,891 (16.9) | 8,055 (18.6) | 5,518 (21.8) |
| 1 | 246,124 (24.1) | 209,321 (24.4) | 20,220 (21.5) | 10,631 (24.6) | 5,952 (23.5) |
| 2 | 225,019 (22.1) | 189,608 (22.1) | 20,541 (21.9) | 9,201 (21.3) | 5,669 (22.4) |
| 3 | 151,140 (14.8) | 121,737 (14.2) | 17,620 (18.7) | 7,633 (17.6) | 4,150 (16.4) |
| ≥4 | 142,737 (14.0) | 111,199 (13.0) | 19,729 (21.0) | 7,758 (17.9) | 4,051 (16.0) |
| Death | 701,718 (68.8) | 591,493 (69.0) | 66,172 (70.4) | 28,239 (65.3) | 15,814 (62.4) |
Abbreviation: IQR, interquartile range.
a
Values are number (percentage) unless otherwise indicated.
b
Other non-Hispanic races.
c
Socioeconomic status was defined by percentage below poverty level in the county of beneficiary residence in 2008; higher quartiles indicated higher level of poverty.