ata expressed as mean ± standard deviation. Non-normally distributed data are expressed as median values with the interquartile range (IQR, i.e., the arithmetic difference between the 25th percentile value and the 75th percentile value) shown in parentheses
a1-day-post-HD vs day of HD p = 0.018
b2-days-post-HD vs day of HD p = 0.057; 1-day-post-HD vs 2-days-post-HD p = 0.441