Neurology

ALSFRS-R (ALS Functional Rating Scale–Revised) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

ALSFRS-R total (0–48)

points

Allowed range: 0–48 points

Sum of 12 ALSFRS-R items each scored 0–4.

Result

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Clinical inputs

ALSFRS-R total (0–48) (points)Accepted range: 0 to 48

Primary source

Cedarbaum JM et al. The ALSFRS-R: a revised ALS functional rating scale that incorporates assessments of respiratory function. J Neurol Sci. DOI: 10.1016/S0022-510X(99)00210-5. PMID: 10540002. Scope: 12 items scored 0–4 (bulbar, fine/gross motor, respiratory) totaling 0–48; lower scores indicate greater functional impairment. (1999)

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