Brazil study finds a disabling hearing loss prevalence of 7% in Itajai


Published by the Brazilian Journal of Otorhinolaryngology march/April 2012, a population-based survey whose field research was carried out from July 2008 to 2011 in the city of Itajai (state of Santa Catarina - southern part of brazil), found a disabling hearing loss prevalence of 7%. The work is the third population-based study about deafness published in Brazil. The first two researches, realized in canoas (Beria et al., 2007) and Monte Negro (Bevilacqua et al., 2006), showed respectively prevalence of disabling hearing loss of 6.8% e 4.8%.