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Clinical evaluation of the vector algorithm for neonatal hearing screening using automated auditory brainstem response

  • Bernie M. Keohane (a1), Steve M. Mason (a2) and David M. Baguley (a3)


A novel auditory brainstem response (ABR) detection and scoring algorithm, entitled the Vector algorithm is described. An independent clinical evaluation of the algorithm using 464 tests (120 non-stimulated and 344 stimulated tests) on 60 infants, with a mean age of approximately 6.5 weeks, estimated test sensitivity greater than 0.99 and test specificity at 0.87 for one test. Specificity was estimated to be greater than 0.95 for a two stage screen. Test times were of the order of 1.5 minutes per ear for detection of an ABR and 4.5 minutes per ear in the absence of a clear response. The Vector algorithm is commercially availablefor both automated screening and threshold estimation in hearing screening devices.




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