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Association of Vitamin D Deficiency With Sleep Quality in Patients Under Peritoneal Dialysis



Mortazavi ZS1 ; Gholamrezaei A1 ; Mortazavi M2 ; Amra B3
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Authors Affiliations
  1. 1. School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Nephrology, School of Medicine, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Internal Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Isfahan Medical School Published:2017

Abstract

Background: Sleep disorders are common in patients with kidney disease and on dialysis. The aim of this study was to assess the association between vitamin D deficiency and sleep quality in these patients. Methods: This cross-sectional study was done on patients under peritoneal dialysis. Demographic data, dialysis information, and sleep quality were assessed using questionnaires and serum level of vitamin D was measured. Findings: Out of 81 patients, 55.6% had poor sleep quality. Frequency of vitamin D deficiency was 75.6% in patients with poor sleep quality and 61.1% in those with good sleep quality (P = 0.226). There was significant correlation between vitamin D level and sleep quality score (correlation efficient = -0.273, P = 0.014). Conclusion: Serum level of vitamin D is associated with sleep quality in patients under peritoneal dialysis. Evaluating the influence of treatment with vitamin D on sleep quality in these patients is recommended. © 2017, Isfahan University of Medical Sciences(IUMS). All rights reserved.
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