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Validity and reliability of the Russian version of the revised Amyotrophic Lateral Sclerosis Functional Rating Scale
Lev Brylev1,2,3, V S Demeshonok4, A I Ataulina5
1Bujanov Moscow City Clinical Hospital, Moscow, Russia. lev.brylev@gmail.com.
Objective:
The aim of this study is to elaborate a valid and reliable Russian version of the ALSFRS-R.
Methods:
Russian adaptation of the ALSFRS-R was applied twice in 50 ALS patients followed by the test-retest analysis with a 7-day interval between applications and internal consistency analysis.
Results:
Test-retest analysis showed very strong correlation for all of the ALSFRS-R variables. The intra-class correlation coefficient was 0.83.
Conclusion:
The elaborated Russian version of the ALSFRS-R has shown to be comparable with the original English version of the scale.
