Do audiologic characteristics predict outcomes in children with unilateral hearing loss?

Judith E.C. Lieu, Roanne K. Karzon, Banan Ead, Nancy Tye-Murray

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

Objective: To determine whether audiologic characteristics of unilateral hearing loss in children were associated with language, cognitive, or achievement scores. Study Design: Case-control study Setting: Pediatric otolaryngology ambulatory practice Patients: Cases (n = 109) were children aged 6 to 12 years with permanent unilateral hearing loss; controls (n = 95) were siblings with normal bilateral hearing. Interventions: Audiologic characteristics measured included side and severity of hearing loss and word recognition scores in quiet and in noise. Main Outcome Measures: Cognitive abilities were measured using the Wechsler Abbreviated Scale of Intelligence; reading, math, and writing achievement was measured with the Wechsler Individual Achievement Test - Second Edition - Abbreviated; and oral language skills were measured with the Oral Written and Language Scales. Results: Children with unilateral hearing loss had worse verbal cognitive and oral language scores than children with normal hearing, but there were no differences in achievement scores. Children with profound unilateral hearing loss tended to have worse cognitive scores and had significantly lower oral language scores. Higher word recognition scores of the normal hearing ear in quiet were associated with higher cognitive, oral language, and reading achievement scores. Higher word recognition scores in noise were slightly correlated with higher oral language scores. Conclusion: As expected, children with unilateral hearing loss had worse language scores than their siblings with normal hearing, with trends toward worse cognitive scores. Children with profound unilateral hearing loss tended to have worse outcomes than children with normal hearing or less severe unilateral loss. However, there were no differences in outcomes between children with right or left unilateral hearing loss.

Original languageEnglish
Pages (from-to)1703-1710
Number of pages8
JournalOtology and Neurotology
Volume34
Issue number9
DOIs
StatePublished - Dec 1 2013

Keywords

  • Audiometry
  • Children
  • Educational measurement
  • Language development
  • Unilateral hearing loss

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