Melissa Wake
Hearing impairment: a population study of age at diagnosis, severity, and language outcomes at 7-8 years
Murdoch Children's Research Institute
better language outcomes reported preschool children hearing impairment hi diagnosed early irrespective severity however population studies older children required substantiate longer term benefits early detectionto study impact age diagnosis severity hi population cohort 78 year old childreneighty eight 78 year old children born victoria fitted hearing aids congenital hi 45 years b intellectual major physical disability studied main outcome measures clinical evaluation language fundamentals celf peabody picture vocabulary test ppvt predictors pure tone average 05 1 2 khz better ear diagnosis age diagnosis marginal adjusted means estimated general linear modelsresponse rate 67 n 89 53 boys mean age diagnosis 216 months sd 144 21 mild 34 moderate 21 severe 24 profound hi mean nonverbal iq 1046 sd 167 mean total celf score 767 sd 214 mean ppvt score 781 sd 181 age diagnosis adjusted severity iq contribute language scores contrast adjusted mean celf ppvt language scores fell sequentially increasing severity himore severe hi later diagnosis strongly related poorer language outcomes 78 years systematic study needed understand children hearing impairment good poor outcomes