A one-week test-retest reliability study of Brainstem Auditory Evoked Potentials.

R. Bergamaschi, A. Romani, M. Versino, I. Sartori, R. Callieco, V. Cosi

Research output: Contribution to journalArticlepeer-review


Brainstem Auditory Evoked Potentials (BAEPs) are increasingly used in longitudinal evaluation of brainstem function. The reliability of the neurophysiological parameters and definition of the normal test-retest variability are required for such investigations. In the present study we submitted 20 healthy volunteers (10 males and 10 females; mean age 35.1 years, range 24-49) to BAEPs in two sessions separated by seven days. The reliability of the parameters was estimated by means of intraclass correlation coefficient (R). All BAEP parameters showed excellent R values (above 0.75). In addition, the confidence interval lower limits of all R coefficients had good to excellent values. Finally we computed the upper normal limits of the test-retest variability of each parameter, with alpha = 0.01, using the within-subjects mean square. The confirmed good reliability of the analyzed parameters enables us to employ BAEPs as useful monitoring instruments in longitudinal studies.

Original languageEnglish
Pages (from-to)467-474
Number of pages8
JournalBollettino della Societa Italiana di Biologia Sperimentale
Issue number7
Publication statusPublished - Jul 1992

ASJC Scopus subject areas

  • Medicine(all)


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