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Health-related quality-of-life outcomes from adult cochlear implantation: a cross-sectional survey

Abstract Purpose The purpose of this study was to examine the extent to which cochlear implants and related rehabilitation improve health-related quality-of-life (HRQoL) and social participation for deafened adults and their partners. Method A cross-sectional survey was used to examine HRQoL and social participation experiences of 202 deafened adults (148 with implants and 54 without) and 136 partners associated with cochlear implant clinics in Australia and New Zealand. Respondents completed a mailed survey consisting of the Assessment of Quality of Life instrument (a utility instrument), the Participation Scale and questions concerning their socioeconomic status. Both univariate and multivariate analyses were performed. Results Controlling for socioeconomic factors, people with cochlear implants reported improved HRQoL and social participation when compared with non-implantees. Implantees reported a relative gain in health utility of 50%, and a relative improvement in social participation of 31%. Such differences were not reported by partners, although patient and partner HRQoL were weakly correlated. Conclusion The results of this cross-sectional study suggest that cochlear implantation contributes significantly to improvements for deafened adults in everyday communication settings and makes a major contribution to their HRQoL. Nonetheless, when compared with population-based studies, this population continues to report considerably reduced quality of life. Partners also report significantly reduced quality of life when compared to population norms.