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  • Title: Predictors of sleep quality in hemodialysis patients.
    Author: Guney I, Atalay H, Solak Y, Altintepe L, Toy H, Tonbul HZ, Turk S.
    Journal: Int J Artif Organs; 2010 Mar; 33(3):154-60. PubMed ID: 20383859.
    Abstract:
    PURPOSE: Poor sleep quality (SQ) is common in hemodialysis (HD) patients. Factors associated with poor SQ are not well understood. The objectives of the present study were to determine the prevalence of poor SQ in HD patients in our region and to examine the association between SQ and health-related quality of life (HRQoL), depression, and certain clinical and laboratory parameters. METHODS: A total of 233 HD patients at 5 centers in the city center of Konya, Turkey were included in this study. Their demographic data and biochemical parameters were analyzed. All patients were instructed to complete Turkish versions of three questionnaires, namely, a modified post-sleep inventory (PSI), Beck Depression Inventory (BDI) and a Short Form of Medical Outcomes Study (SF-36). RESULTS: The mean age of the patients was 52.8 +/- 15.3 years and the male to female ratio was 1.33:1. The prevalence of poor sleepers, defined as those having a total sleep score (PSI-4 score) > or = 4, was 60.9%. Compared with good sleepers, poor sleepers had higher BDI scores and as well as lower PCS and MCS domains of HRQoL. In addition, poor sleepers were older and more likely to be unemployed. There was a significant inverse correlation of PSI-4 score with PCS and MCS, and significant positive correlation of PSI-4 score with BDI and age (p < 0.001). The significant independent predictors of PSI-4 score were BDI score, MCS score and employment status. CONCLUSIONS: Depression, MCS score and employment status were the most important predictors of sleep quality in HD patients.
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