Health-related quality of life as a predictor of mortality among survivors of AKI.
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ABSTRACT: This study examined the relationship between health-related quality of life and subsequent mortality among AKI survivors treated with renal replacement therapy.Multivariable Cox regression models were used to assess the associations between Health Utilities Index Mark 3 (HUI3) and ambulation, emotion, cognition, and pain scores at 60 days and all-cause mortality at 1 year in 60-day AKI survivors (n=439 with evaluable HUI3 assessments) from a randomized multicenter study comparing less- with more-intensive renal replacement therapies.The median 60-day HUI3 index score was 0.32. Patients with evaluable HUI3 data who died between 60 days and 1 year (n=99) were more likely to have lower 60-day median HUI3 scores, higher comorbidity scores, and longer initial hospital stays, and they were more likely to be dialysis-dependent. A 0.1 higher HUI3 index score was associated with a 17% decrease (hazard ratio, 0.83; 95% confidence interval 0.77-0.89) in all-cause mortality after controlling for clinical risk factors. Similar associations were observed for HUI3 ambulation, emotion, cognition, and pain attribute scores.Health-related quality of life measured by HUI3 is an independent predictor of mortality among survivors of AKI after adjusting for clinical risk variables. Poor ambulation and other health-related quality of life attributes are also associated with increased risk of death. Health-related quality of life may provide clinicians with additional information to help identify patients at high risk of mortality after AKI that required renal replacement therapy.
SUBMITTER: Joyce VR
PROVIDER: S-EPMC3386668 | biostudies-literature | 2012 Jul
REPOSITORIES: biostudies-literature
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