The Skin Pain Numeric Rating Scale, Worst-Itch Numeric Rating Scale, and Dermatology Life Quality Index were evaluated for their content validity, fit-for-purpose, and psychometric and measurement ...

Background: Numerical rating scales (NRS), and verbal rating scales (VRS) showed to be reliable and valid tools for subjective cancer pain measurement, but no one of them consistently proved to be ...

Few validated measures exist to quantify sleep disturbance among patients who have the chronic inflammatory skin condition prurigo nodularis. SD NRS scoring ranges from 0 (no sleep loss) to 10 (no ...