Table 1.
| Variable | No CKD (n=13,425) | CKD 5 without dialysis (n=690) | CKD 5 with dialysis (n=11,415) | Kidney transplant (n=1320) | P value |
|---|---|---|---|---|---|
| Mean age (y) | 52 | 61 | 56 | 49 | <.01 |
| Female | 6579 (49%) | 325 (47%) | 5480 (48%) | 634 (48%) | .89 |
| Race/ethnicity | |||||
| White | 66% | 43% | 33% | 58% | |
| African American | 15% | 31% | 41% | 20% | <.01 |
| Hispanic | 13% | 15% | 17% | 17% | |
| Other | 6% | 11% | 10% | 5% | |
| Weekend admission | 26% | 26% | 25% | 26% | .73 |
| Income in zip code | |||||
| $1-$37,999 | 31% | 40% | 41% | 28% | |
| $38,000-$47,999 | 29% | 25% | 27% | 24% | <.01 |
| $48,000-$63,999 | 22% | 24% | 19% | 23% | |
| ≥$64,000 | 18% | 11% | 13% | 25% | |
| Charlson score | |||||
| 0 | 50% | 0% | 0% | 21% | |
| 1-2 | 38% | 25% | 19% | 38% | <.01 |
| ≥3 | 12% | 75% | 81% | 41% | |
| Hospital region | |||||
| Northeast | 17% | 17% | 13% | 12% | |
| Midwest | 22% | 26% | 20% | 27% | <.01 |
| South | 40% | 35% | 45% | 41% | |
| West | 22% | 22% | 22% | 20% | |
| Urban location | 89% | 92% | 95% | 91% | <.01 |
| Hospital size (beds) | |||||
| Small | 21% | 19% | 15% | 12% | |
| Medium | 30% | 33% | 27% | 23% | <.01 |
| Large | 49% | 48% | 57% | 65% | |
| Hospital teaching status | |||||
| Teaching | 59% | 64% | 66% | 67% | |
| Nonteaching | 41% | 36% | 34% | 33% | <.01 |
a
CKD = chronic kidney disease.
b
Data are presented as No. (percentage).