Long-Term Speech Outcomes in Moderate-to-Severe Childhood Speech Sound Disorder: A Systematic Review

Abstract

Background: Parents of children with moderate-to-severe speech sound disorder presenting to clinic want to understand prognosis for their child; however, there is unclear evidence as to the specific long-term speech outcomes in this group. Aim: To review long-term speech outcomes in children with moderate-to-severe speech sound disorders. Method: A systematic review identified 3697 papers; 21 papers containing 15 unique studies (six had overlapping data) met inclusion criteria for moderate-to-severe speech sound disorder with at least one follow-up speech assessment unrelated to intervention outcomes. Studies were appraised for quality. Main contribution: Overall, 9 cohort studies, and 6 cas..