10.1371/journal.pone.0071404.g001 Mei-Ju Ko Mei-Ju Ko Hon-Yen Wu Hon-Yen Wu Hung-Yuan Chen Hung-Yuan Chen Yen-Ling Chiu Yen-Ling Chiu Shih-Ping Hsu Shih-Ping Hsu Mei-Fen Pai Mei-Fen Pai Ju-YehYang Ju-YehYang Chun-Fu Lai Chun-Fu Lai Hui-Min Lu Hui-Min Lu Shu-Chen Huang Shu-Chen Huang Shao-Yu Yang Shao-Yu Yang Su-Yin Wen Su-Yin Wen Hsien-Ching Chiu Hsien-Ching Chiu Fu-Chang Hu Fu-Chang Hu Yu-Sen Peng Yu-Sen Peng Shiou-Hwa Jee Shiou-Hwa Jee Histogram and density plot of visual analogue scale (VAS) scores. Public Library of Science 2013 statistics Biostatistics Statistical methods Anatomy and physiology skin Skin physiology Clinical research design Cohort studies Prospective studies dermatology Nephrology Chronic kidney disease dialysis analogue 2013-08-06 02:42:56 Figure https://plos.figshare.com/articles/figure/_Histogram_and_density_plot_of_visual_analogue_scale_VAS_scores_/766025 <p>(A) Frequency distribution of pruritus VAS scores at baseline in the study participants. (B) Frequency distribution of pruritus VAS scores at follow-up in the study participants. The density of vertical axis represents the percentage of study participants.</p>