From: Usefulness of the Japanese version of the 5-D itch scale for rating pruritus experienced by patients undergoing hemodialysis
Spearman’s rank correlation coefficient
r
p value
Duration
0.2251
< 0.001
Degree
0.7457
Direction
0.2309
< 0.005
Disability
0.5201
Distribution
0.4674
Total
0.6441