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Cohort assembly of adults hospitalized between January 1, 2006 and December 31, 2013. AKI defined using modified KDIGO criteria: increase in serum creatinine by ≥0.3 mg/dl (≥26.5 μmol/l) within 48 hours or an increase in serum creatinine to ≥1.5 times baseline (defined as the most recent nonemergency department, outpatient value in the 7–365 days before admission). SCr, serum creatinine.
