Table 4.
Outcomes at 30 Days by Incremental Categories of Worsening Renal Function
| Outcome | Change in Serum Creatinine Level, mg/dL |
||||||
|---|---|---|---|---|---|---|---|
| <0.1 | 0.1 to <0.2 | 0.2 to <0.3 | 0.3 to <0.4 | 0.4 to <0.5 | ≥0.5 | p Value | |
| n | 12,526 | 2871 | 1085 | 1449 | 401 | 1731 | |
| Inpatient costs, $a | 3389 (9880) | 2784 (8907) | 3286 (15,373) | 2906 (7626) | 3178 (11,613) | 3565 (9143) | <0.001 |
| Readmission, No. (%)b | 2661 (21.2) | 534 (18.6) | 207 (19.0) | 305 (21.0) | 71 (17.6) | 408 (23.5) | 0.006 |
| Mortality, No. (%)b | 965 (7.7) | 150 (5.2) | 75 (6.9) | 103 (7.1) | 24 (6.0) | 230 (13.3) | <0.001 |
a
Costs adjusted to 2005 US dollars, excluding index hospitalization costs. Unadjusted and adjusted values represented by cost ratios.
b
Cumulative incidence of all-cause readmission. Unadjusted and adjusted values represented by hazard ratios.
c
All-cause mortality. Unadjusted and adjusted values represented by hazard ratios.