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• W4225128974 abstract "Rationale & ObjectiveChronic kidney disease-associated pruritus has been linked with poorer mental and physical health-related quality of life (HR-QOL) in patients receiving hemodialysis. We used the Skindex-10 questionnaire and a single itch-related question to evaluate their prediction of HR-QOL.Study DesignProspective, international cohort.Setting & ParticipantsWe analyzed data from 4,940 patients receiving hemodialysis from 17 countries enrolled in phase 5 (2013) of the Dialysis Outcomes and Practice Patterns Study.PredictorsThe responses to the 10 questions of Skindex-10 (0-6 scale) pertaining to itchiness in the past week were summed to create a summary score (range, 0-60). Concurrently, a single question from the Kidney Disease Quality of Life 36-item survey asked “during the past 4 weeks, to what extent were you bothered by itchy skin?” with 5 responses, ranging from “not at all” to “extremely bothered.OutcomesPhysical component summary (PCS) and mental component summary (MCS) scores of HR-QOL.Analytical ApproachWe used separate linear regression models to evaluate the predictive power, based on R2 values, for 3 models: 1 for each predictor and 1 with both predictors.ResultsThe correlation between the single itch-related question and the Skindex-10 score was 0.72. A 10-point higher Skindex-10 score was associated with a 1.2-point lower PCS score (95% CI, −1.4 to −0.9) and a 1.5-point lower MCS score (95% CI, −1.7 to −1.3) . The R2 value for PCS was 0.065 when the single question was used and only 0.033 when Skindex-10 was used as the predictor; the R2 value for MCS was 0.056 for the single question versus 0.052 for Skindex-10.LimitationsMeasurement bias and translation issues in the questionnaires.ConclusionsThe single question about the extent to which the patients were bothered by itchy skin was highly correlated with the Skindex-10 score and at least as predictive of key HR-QOL measures. In daily clinical practice, using 1 simple question about the extent to which patients are bothered by itchy skin can be a feasible and efficient method for the routine assessment of pruritus. Chronic kidney disease-associated pruritus has been linked with poorer mental and physical health-related quality of life (HR-QOL) in patients receiving hemodialysis. We used the Skindex-10 questionnaire and a single itch-related question to evaluate their prediction of HR-QOL. Prospective, international cohort. We analyzed data from 4,940 patients receiving hemodialysis from 17 countries enrolled in phase 5 (2013) of the Dialysis Outcomes and Practice Patterns Study. The responses to the 10 questions of Skindex-10 (0-6 scale) pertaining to itchiness in the past week were summed to create a summary score (range, 0-60). Concurrently, a single question from the Kidney Disease Quality of Life 36-item survey asked “during the past 4 weeks, to what extent were you bothered by itchy skin?” with 5 responses, ranging from “not at all” to “extremely bothered. Physical component summary (PCS) and mental component summary (MCS) scores of HR-QOL. We used separate linear regression models to evaluate the predictive power, based on R2 values, for 3 models: 1 for each predictor and 1 with both predictors. The correlation between the single itch-related question and the Skindex-10 score was 0.72. A 10-point higher Skindex-10 score was associated with a 1.2-point lower PCS score (95% CI, −1.4 to −0.9) and a 1.5-point lower MCS score (95% CI, −1.7 to −1.3) . The R2 value for PCS was 0.065 when the single question was used and only 0.033 when Skindex-10 was used as the predictor; the R2 value for MCS was 0.056 for the single question versus 0.052 for Skindex-10. Measurement bias and translation issues in the questionnaires. The single question about the extent to which the patients were bothered by itchy skin was highly correlated with the Skindex-10 score and at least as predictive of key HR-QOL measures. In daily clinical practice, using 1 simple question about the extent to which patients are bothered by itchy skin can be a feasible and efficient method for the routine assessment of pruritus." @default.
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• W4225128974 date "2022-06-01" @default.
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• W4225128974 title "Utility of a Single Itch-Related Question and the Skindex-10 Questionnaire for Assessing Pruritus and Predicting Health-Related Quality of Life in Patients Receiving Hemodialysis" @default.
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