International Restless Legs Syndrome Study Group Rating Scale.

IRLS

What it measures

Restless legs syndrome severity - sensory and motor symptom intensity, sleep disturbance, daytime tiredness, and impact on daily activities and mood

Length and format

10 items. 5-pt severity ratings (0-4), summed to a 0-40 total (clinician-rated/interview)

Language versions

20+ langs with formal linguistic validation across most European languages plus JA, ZH, KO, TR (approx)

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

copyrighted - author permission

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Walters, A.S., LeBrocq, C., Dhar, A., et al. (2003). Validation of the International Restless Legs Syndrome Study Group rating scale for restless legs syndrome. Sleep Medicine, 4(2), 121-132.