Table 2.
Comparison of 5-yr hospitalizations, emergency room visits, and physician visits between patients with versus without AKI
| AKI Definition | Hospitalizations | Emergency Room Visits | Outpatient Physician Visits | |||||
|---|---|---|---|---|---|---|---|---|
| # Visits | # Intensive Care Admissions | Events/Person Year (95% CI) | # Visits | Events/Person Year (95% CI) | # Visits | # Nephrology Visits | Events/Person Year (95% CI) | |
| Serum creatinine only | ||||||||
| No AKI | 3183 | 415 (13%) | 0.52 (0.50 to 0.53) | 5650 | 0.91 (0.89 to 0.94) | 34937 | 295 (0.8%) | 5.65 (5.60 to 5.71) |
| AKI | 1033 | 134 (13%) | 0.73 (0.68 to 0.77)a | 1422 | 1.00 (0.95 to 1.06)a | 11683 | 1300 (11%) | 8.25 (8.10 to 8.40)a |
| Serum creatinine or urine output | ||||||||
| No AKI | 3165 | 414 (13%) | 0.52 (0.50 to 0.53) | 5693 | 0.93 (0.90 to 0.95) | 35111 | 297 (0.8%) | 5.72 (5.66 to 5.78) |
| AKI | 1186 | 158 (13%) | 0.71 (0.67 to 0.75)a | 1640 | 0.98 (0.93 to 1.02)a | 13023 | 1308 (10%) | 7.75 (7.61 to 7.88)a |
95% CI, 95% confidence interval.
a
P<0.001 for comparison between AKI and non-AKI by univariable Poisson regression.