Table 1.
Basic demographics by CKD stage
| Parameter | CKD Stage
|
|||
|---|---|---|---|---|
| All | III | IV | V | |
| Age | ||||
| N | 1186 | 369 | 592 | 225 |
| mean | 65.6 | 64.6 | 67.2 | 63.2 |
| SEM | 0.4 | 0.7 | 0.5 | 1.0 |
| range | 19 to 87 | 19 to 86 | 19 to 87 | 23 to 87 |
| Gender | ||||
| male (%) | 58.0 | 63.7 | 56.8 | 52.0 |
| female (%) | 42.0 | 36.3 | 43.2 | 48.0 |
| Race | ||||
| Asian/Indian/Filipino (%) | 2.3 | 1.6 | 2.2 | 3.6 |
| Black (%) | 10.4 | 14.4 | 8.4 | 8.9 |
| Pacific islander (%) | 0.1 | 0.0 | 0.2 | 0.0 |
| White (%) | 72.8 | 70.5 | 75.5 | 69.3 |
| other/multiracial (%) | 1.7 | 1.4 | 1.5 | 2.7 |
| missing (%) | 12.8 | 12.2 | 12.2 | 15.6 |
| Diabetes | ||||
| diabetic (%) | 45.7 | 45.5 | 46.8 | 43.1 |
| nondiabetic (%) | 54.3 | 54.5 | 53.2 | 56.9 |
| Primary renal disease | ||||
| diabetes | 28.8 | 26.6 | 29.4 | 30.7 |
| glomerulonephritis/vasculitis/autoimmune diseases | 12.3 | 12.7 | 11.0 | 15.1 |
| interstitial nephritis/pyelonephritis | 3.3 | 3.8 | 3.4 | 2.2 |
| hypertension/large vessel/renal vascular disease | 27.1 | 30.4 | 26.2 | 24.0 |
| neoplasms/tumors | 1.4 | 1.1 | 1.0 | 3.1 |
| cystic/hereditary/congenital diseases | 8.0 | 6.8 | 7.6 | 11.1 |
| miscellaneous conditions | 18.0 | 18.2 | 20.1 | 12.4 |
| missing | 0.7 | 0.3 | 0.8 | 0.9 |