The Brief Repeatable Battery: psychometrics and normative values with age, education and gender corrections in a Serbian population.

PSYCHOMETRICS; MILD cognitive impairment; NEUROPSYCHOLOGY; SEX differences (Biology); AGE factors in disease; DATA analysis

Cognitive impairment is present in up to 65 % of multiple sclerosis (MS) patients. The Brief Repeatable Battery of neuropsychological tests (BRB) is one of the most used neuropsychological tools for cognitive assessment in MS. However, relative lack of normative data limits its application in research and clinical practice. In order to obtain normative data for a Serbian population, we administered the BRB version A to 140 healthy subjects and assessed the influence of demographic factors such as gender, age, and education on the tests' scores. We also calculated corrections for these factors. Higher education was associated with better performance on all the tests. Age influenced all the tests, except the word list generation, higher age being associated with worse performance on all other tests. Women performed worse on the paced auditory serial addition test 2, no other gender differences were observed. Our data obtained for the Serbian population could further improve use of the BRB in clinical practice and for the research purposes, establishing cognitive evaluation as a part of standard neurological examination of MS patients. [ABSTRACT FROM AUTHOR]

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