科研之友
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摘要
Background: Many patients with chronic kidney disease (CKD) suffer from fatigue caused by anemia, but that anemia can be reversed. Successful treatment can be measured as a decrease in fatigue and an increase in energy or vitality, particularly on the vitality (VT) subscale of the SF-36. Changes in VT scores are most commonly interpreted in terms of minimally important differences or standardized effect sizes, but neither a minimally important difference nor a standardized effect size provides information about how patients%26apos; activities are affected. Therefore, we analyzed the association between differences in VT scores and a variable that is meaningful to patients and to society the frequency of going out. %26lt;br%26gt;Study Design: Questionnaire survey. Analyses of differences among participants at bseline, and analyses of differences within participants over time. %26lt;br%26gt;Setting and Participants: CKD patients who were not on dialysis and were involved in a study of anti-anemia therapy. %26lt;br%26gt;Predictor: VT scores. %26lt;br%26gt;Outcome: Frequency of going out. %26lt;br%26gt;Measurements: VT scores and the frequency of going out. %26lt;br%26gt;Results: At baseline, higher VT scores and younger age were associated with going out more often, while sex and the presence of diabetic nephropathy were not associated with the frequency of going out. Greater changes in VT scores over time were associated with greater changes in the frequency of going out, in univariate and multivariate analyses. %26lt;br%26gt;Conclusions: At baseline, VT was associated with the frequency of going out. Increases in VT were also associated with increases in the frequency of going out. These results show how VT scores can be linked to daily activities that are important to individual patients and to society.
- 出版日期2012-7-12
