Table 1.
Baseline characteristics of 28,779 persons with moderate to advanced CKD from the CHN and HMC health systems
| Demographics | |
| Age (yr), mean (SD) | 60.3 (14.2) |
| Men, n (%) | 13,903 (48.3) |
| Race or ethnicity, n (%) | |
| Non-Hispanic white | 11,757 (40.9) |
| Non-Hispanic black | 4930 (17.1) |
| Hispanic | 3466 (12.0) |
| Asian | 6247 (21.7) |
| Other race or ethnicity | 2379 (8.3) |
| Health insurance coverage, n (%) | |
| Uninsured | 8340 (29.0) |
| Medicaid | 6260 (21.8) |
| Medicare | 10,532 (36.6) |
| Private or commercial | 3647 (12.7) |
| Comorbidities, n (%) | |
| Diabetes mellitus | 6569 (22.8) |
| Hypertension | 13,525 (47.0) |
| Cardiovascular disease | 7947 (27.6) |
| Substance abuse | 6594 (22.9) |
| Chronic viral diseasea | 5919 (20.6) |
| Laboratory data | |
| eGFR (ml/min per 1.73 m2), n (%) | |
| 45–59 | 21,942 (76.2) |
| 30–44 | 4729 (16.4) |
| 15–29 | 1574 (5.5) |
| <15 | 534 (1.9) |
| Dipstick proteinuria, n (%) | |
| None or trace | 12,709 (61.6) |
| 1+ | 3875 (18.8) |
| 2+ | 2483 (12.0) |
| ≥3+ | 1581 (7.7) |
| Serum albumin (g/dl), mean (SD) | 3.8 (0.7) |
| Serum calcium (mg/dl), mean (SD) | 9.2 (0.8) |
| Hemoglobin (g/dl), mean (SD) | 12.9 (2.0) |
| Serum creatinine (mg/dl), mean (SD) | 1.5 (1.1) |
| Serum cholesterol (mg/dl), mean (SD) | 195.8 (54.0) |
Missing values in the full cohort were distributed as follows: dipstick proteinuria, 28.3%; serum cholesterol, 15.1%; serum calcium, 5.9%; serum albumin, 1.9%; and hemoglobin, 1.8%.
a
HIV, hepatitis C virus, and/or hepatitis B virus infection.