Stuttering prognosis and predictive factors of treatment outcome: A review
Speech Pathology Australia
Place of Publication
School of Medical and Health Sciences
There is value in understanding the prognostic indicators of stuttering onset and stuttering persistence due to the associated negative life consequences. Stuttering therapy can be beneficial, but not all individuals respond equally to therapy. Knowledge of the factors relevant to treatment success is required to enhance client outcomes. This review summarises and compares the prognostic factors of stuttering, as well factors that predict treatment outcomes. Prognostic indicators for stuttering onset include positive family history, age, and gender; whereas for persistent stuttering they are gender, age of onset, time since onset, and family history of persistence. The most consistent factor for predicting treatment outcomes is pre-treatment stuttering rate. However, there is lack of data for predictive treatment factors. Overall, the findings of studies of prognostic and predictive factors of stuttering need replication, but with improved study design. In the meantime, a systematic review of existing literature is recommended to synthesise and quantify the strength of each factor.
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