The ALSFRS-R is a 12-question multiple-choice questionnaire completed by ALS patients that gives a score which is used by physicians to interpret the progression of the disease. A numerically lower score is associated with further progression of the disease. The highest attainable score is 48.
ALSFRS-R scores are also used as a qualifying criteria for many research studies related to ALS; most require the score to be higher than some minimum value.
The name ALSFRS-R is an abbreviation that represents the following:
The original unrevised version of the scale was first developed in 19911. The scale was revised in 19991.
ALSWiki.org has a free online tool for tracking ALSFRS-R scores.