Table 2.
Demographic characteristics of patients identified with stage III/IV chronic kidney disease during the study period (1 July 2009–30 June 2011), overall and by clinical site
| Total (%), n = 373 | Clinical Site 1 (%), n = 172 | Clinical Site 2 (%), n = 103 | Clinical Site 3 (%), n = 98 | |
|---|---|---|---|---|
| Age*** | ||||
| 18–49 | 8.8 | 4.1 | 23.3 | 2.0 |
| 50–64 | 24.9 | 22.7 | 30.1 | 23.5 |
| 65–74 | 26.3 | 22.1 | 26.2 | 33.7 |
| 75+ | 39.9 | 51.2 | 20.4 | 40.8 |
| Sex | ||||
| Male | 37.5 | 43.6 | 30.1 | 34.7 |
| Female | 62.5 | 56.4 | 69.9 | 65.3 |
| Race/ethnicitya,*** | ||||
| Caucasian | 79.1 | 79.1 | 68.9 | 89.8 |
| Black or African American | 6.4 | 2.9 | 16.5 | 2.0 |
| Asian/Pacific Islander | 6.7 | 10.5 | 6.8 | 0 |
| Hispanic/Latino | 2.7 | 4.1 | 2.9 | 0 |
| Other or unknown | 5.1 | 3.5 | 4.9 | 8.2 |
| Insurance | ||||
| Medicaid | 12.1 | 8.7 | 24.3 | 5.1 |
| Medicare | 69.7 | 72.1 | 64.1 | 71.4 |
| Private | 16.4 | 18.0 | 8.7 | 24.4 |
| Self/uninsured | 1.3 | 0 | 2.9 | 2.0 |
| Other or unknown | 0.5 | 1.2 | 0 | 0 |
aBecause of empty cells, we tested Caucasian versus non-Caucasian, P ≤ 0.001.
***P ≤ 0.001.