Table 1 Summary of measurements of pruritus in the literature
From: Transformation of 5-D itch scale and numerical rating scale in chronic hemodialysis patients
Uni-dimensional scale |
Visual analogue scale (VAS), numerical rating scale (NRS), and verbal rating scale (VRS) |
Multi-dimensional scales |
5D itch scale, four-item questionnaire, itch severity scale, pruritus grading system |
Measurement of scratching episodes Measurement of limb movements |
Imaging of brain activity |
Measurement of itch threshold |
Scales assessing the psychosocial condition of the patient related to itch ItchQoL, Dermatology Life Quality Index and Beck’s Depression Inventory |