- Results were pooled from 35 imputation datasets, using Rubin’s rule. aAdjusted for age, gender, Charlson Comorbidity Index, pre-ICU admission hospital length of stay, admission type, acute physiology score (without creatinine), mechanical ventilation in the first 24 hours of admission and confirmed infection in the first 24 hours of admission. bLow HRQoL was defined as a EuroQoL 5D-3L™ questionnaire (EQ-5D) index below 0.4; age was transformed into ((age-16)/100)^2, APS was transformed into ((APS-1)/10)^-1 + ((APS-1)/10). APS Acute Physiology Score, RIFLE risk, injury, failure, loss, end-stage renal failure, eAKI early acute kidney injury; ICU intensive care unit, HRQoL health-related quality of life
