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Profiles of the subjective evaluation of pruritus intensity in E-HD (A-a) and C-HD (A-b), and pruritus frequency in in E-HD (B-a) and C-HD (B-b). Symptoms were subjectively graded from Grade 1 (most severe) to Grade 4 (no symptoms). No changes were found in pruritus intensity and frequency profile in E-HD, while, there were significant change in C-HD (p<0.05) by Friedman test. E-HD, electrolyzed water HD; C-HD, conventional HD.
