The nature of referred subtypes of primary speech disability

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Abstract
Of 1100 children referred to a mainstream paediatric speech and language therapy service in a 15-month period (January 1999 to April 2000), 320 had primary speech impairment. No referred child had significant hearing impairment, learning disability or physical disability. This paper describes the nature of the subtypes of speech disability referred. The results showed that of 320 children, 57.5% had phonological delay, 20.6% consistently made non-developmental errors, 9.4% made inconsistent errors on the same lexical item and 12.5% had articulation disorder; no child was diagnosed with develop-mental verbal dyspraxia. An estimate of the referral incidence of primary speech disability in a single year, calculated from referrals who attended, was 6.4% (estimated as 48000 children per year in the UK). The findings inform speech and language therapy service planning.

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