Table 1.
Demographic and clinical characteristics of patients with chronic kidney disease
| Characteristics | Total CKD Cohort |
|---|---|
| N | 241,628 |
| Age, mean (SD) | 75.23 (± 7.97) |
| Female (n, %) | 131,838 (54.6) |
| Geographic Region (n, %) | |
| Northeast | 4480 (1.9) |
| Midwest | 41,086 (17.0) |
| South | 173,447 (71.8) |
| West | 22,615 (9.4) |
| Population Density (n, %) | |
| Urban | 161,821 (67.0) |
| Suburban | 52,899 (21.9) |
| Rural | 19,545 (8.1) |
| Unknown | 7363 (3.0) |
| Race (n, %) | |
| White | 184,816 (76.5) |
| Black | 44,548 (18.4) |
| Other | 11,086 (4.6) |
| Unknown | 1178 (0.5) |
| Low Income Subsidy or Dual Eligibility (n, %) | 65,474 (27.1) |
| Plan type (n, %) | |
| HMO | 136,737 (56.6) |
| PPO/POS | 78,945 (32.7) |
| FFS | 8362 (3.5) |
| Other | 17,584 (7.3) |
| Elixhauser Comorbidity Index, mean (SD) | 5.22 (± 2.92) |
| Kidney Disease Stage (n, %) | |
| Stage 3a | 162,555 (67.3) |
| Stage 3b | 54,557 (22.6) |
| Stage 4 | 23,038 (9.5) |
| Stage 5 | 1,478 (0.6) |