TABLE 3.
Common instruments for the assessment of RLS
| Scope | RLS severity | Treatment response | RLS augmentation | Reference | ||
|---|---|---|---|---|---|---|
| Instrument | Epidemiological studies | Clinical setting, high pre‐test RLS probability | ||||
| Self‐completed scales and questionnaires | ||||||
| IRLS self‐administered | No | No | Yes | Possibly | Possibly | Sharon et al., 2019 |
| RLS‐6 scales | No | No | Yes | Yes | Possibly | Kohnen et al., 2016 |
| 3|4 questions [Berger] | (Yes) | Yes | No | No | No | Allen et al., 2003; Rothdach et al., 2000 |
| Cambridge Hopkins RLS questionnaire | (Yes) | Yes | No | No | No | Allen et al., 2009 |
| Interview based instruments | ||||||
| IRLS interview version | No | No | Yes | Yes | Possibly | Walters et al., 2003 |
| Hening telephone diagnostic interview (HTDI) | (Yes) | Yes | No | No | No | Hening et al., 2008; Mitterling et al., 2013 |
| Augmentation severity rating scale (ASRS) | No | No | No | No | Yes | García‐Borreguero et al., 2007 |
| Instrumental examinations | ||||||
| Suggested immobilisation test (SIT) | ‐ | Yes | Possibly | Possibly | Possibly | Michaud et al., 2002; Montplaisir et al., 1998 |
| Multiple suggested immobilisation test | ‐ | Possibly | Yes | Yes | Possibly | Garcia‐Borreguero et al., 2013 |
IRLS: International Restless Legs Syndrome Study Group Rating Scale.