Acute Kidney Injury Predicts Outcomes of Non-Critically Ill Patients
2009
OBJECTIVE To evaluate whether acute kidney injury (AKI), defined as an increase in the serum creatinine level of 0.3 mg/dL or more within 48 hours, predicts outcomes of non-critically ill patients. PATIENTS AND METHODS Among the adults admitted from June 1, 2005, to June 30, 2007, to the medical wards of a community teaching hospital, 735 patients with AKI and 5089 controls were identified. Demographic and health information, serum creatinine values, and outcomes were abstracted from patients' computerized medical records. Outcomes of patients with AKI were compared with those of controls. In an additional case-control analysis, more detailed clinical information was abstracted from the medical records of 282 pairs of randomly selected, age-matched AKI cases and controls. Conditional multivariate logistic regression analyses were used to adjust for potential confounders of AKI effect on outcomes. RESULTS Overall, patients with AKI had higher in-hospital mortality (14.8% vs 1.5%; P P P P CONCLUSION In this study, AKI was associated with adverse outcomes in non-critically ill patients.
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