Table 1.
Patient characteristic | All (n = 35,681) | White (n = 34,039) | Black (n = 1,044) | Hispanic (n = 598) |
---|---|---|---|---|
Age | ||||
67–72 | 9.0 | 8.9 | 13.7 | 7.9 |
73–78 | 23.7 | 23.5 | 26.2 | 27.3 |
79–84 | 35.4 | 35.6 | 32.3 | 33.3 |
85–90 | 31.8 | 32.0 | 27.8 | 31.6 |
Median per capita income in zip code* | ||||
≤$18,542 | 33.4 | 31.7 | 70.7 | 63.5 |
$18,543–24,719 | 33.4 | 34.2 | 18.3 | 16.2 |
≥$24,720 | 33.2 | 34.1 | 11.0 | 20.2 |
Percent high school graduates in zip code* | ||||
≤79.4% | 33.0 | 31.0 | 74.1 | 75.1 |
79.5–86.8% | 33.6 | 34.5 | 16.8 | 13.9 |
≥86.9% | 33.4 | 34.5 | 9.1 | 11.0 |
State | ||||
Florida | 34.2 | 33.8 | 29.3 | 70.9 |
Illinois | 28.4 | 28.8 | 29.3 | 5.2 |
New York | 37.3 | 37.4 | 41.4 | 23.9 |
Nonurban residence† | 14.8 | 15.3 | 5.7 | 1.8 |
Modified Charlson–Deyo score‡ | ||||
0 | 58.8 | 59.3 | 49.4 | 43.8 |
1 | 22.7 | 22.6 | 24.3 | 27.8 |
2 or more | 18.5 | 18.1 | 26.2 | 28.4 |
Patients were categorized as white, black, and Hispanic by the Center for Medicare and Medicaid Services. All P values for all characteristics shown differed by race with P < 0.001.
*According to 2000 U.S. Census
†Residence in a metropolitan statistical area with <1,000,000 residents
‡From co-morbidity index based on the diagnoses and weights described by Charlson et al.22 as adapted to ICD-9-CM diagnoses by Deyo et al.23 and Klabunde et al.24 (see text for further details)