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Scale for the Assessment and Rating of Ataxia (SARA)
Scale for the Assessment and Rating of Ataxia (SARA)
Freely available at this website: Scale for the Assessment and Rating of Ataxia
Core: Friedreich's Ataxia (FA)
|Short Description of Instrument||
This tool is specifically aimed at and restricted to the evaluation of coordination.
Construct measured: Severity of ataxia
Generic vs. disease specific: Generic
Means of administration: In person by a trained examiner
Intended respondent: Patient
# of items: 8
# of subscales and names of sub-scales: N/A
# of items per sub-scale: N/A
Patients with incoordination.
The test can be performed with reasonable consistency in all age-groups, even in the pediatric population, as long as the patients are able (physically/mentally) to perform these simple movements.
No specific mitochondrial disease, although ataxia/incoordination is a common feature of many.
Scoring: Scoring is based on a scale of 0-4, 0-6 or 0-8, depending on which item is being tested. A score of 0 indicates a patient's normal ability to perform the task, while the higher number indicates a patient's inability to perform the task. Individual instructions, as well as definitions of scores, can be found on the actual scale.
SARA consists of eight items, together yielding a total score between 0 (no ataxia) and 40 (most severe ataxia); (1) gait (score 0–8); (2) stance (score 0–6); (3) sitting (score 0–4); (4) speech disturbances (score 0–6); (5) finger chase (score 0–4); (6) nose-finger test (score 0–4); (7) fast alternating hand movements (score 0–4); and (8) heel-shin slide (score 0–4). All limb kinetic functions are rated independently for both sides (items 5–8) and the arithmetic mean of both sides is included in the total score.Semi-quantitatively. Scales vary from 0-4/6/8
Background: The SARA is a clinical scale based on a semiquantitative assessment of cerebellar ataxia on an impairment level. It has eight items: gait, stance, sitting, speech, finger-chase test, nose-finger test, fast alternating movements and heel-shin test. This scale was developed due to the need for a reliable and valid clinical scale measuring the severity of ataxia.
Strengths/Weaknesses: SARA has good metric properties and inter-rater reliability, is easy to use and seems to be a promising outcome measure for future clinical trials.
Psychometric Properties: This scale has been shown to be a reliable and valid scale for measuring ataxia. Its scores correlate closely with other scales of ataxia, as well as activities of daily living.
Administration: Administration time can range from between 5 - 40 minutes, depending upon the ability of the patient.
Key Reference: Schmitz-Hubsch T, Tezenas du Montcel S, Baliko L, Berciano J, Boesch S et al. Scale for the assessment and rating of ataxia: development of a new clinical scale. Neurology 2006; 66: 1717-1720.
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Schmitz-Hübsch T, du Montcel ST, Baliko L, Berciano J, Boesch S, Depondt C, Giunti P, Globas C, Infante J, Kang JS, Kremer B, Mariotti C, Melegh B, Pandolfo M, Rakowicz M, Ribai P, Rola R, SchÖls L, Szymanski S, van de Warrenburg BP, Dürr A, Klockgether T, Fancellu R. Scale for the assessment and rating of ataxia: development of a new clinical scale. Neurology. 2006 Jun 13;66(11):1717-20.
Document last updated April 2020