Investigaciones anteriores indicaban que la proporción de niños afectados se situaba entre el 1% y el 20%. El objetivo del presente estudio era concretar la prevalencia del trastorno, y para ello se han utilizado los criterios diagnósticos más rigurosos en un grupo de más de 8.500 niños que nacieron entre 1976 y 1982.
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Mayo Clinic
http://www.mayo.edu/
Archives of Pediatrics and Adolescent Medicine
http://archpedi.ama-assn.org/subs/login.html
Medical News
/ Published on March 18, 2002
Trastornos de atención
El trastorno de hiperactividad afecta al 7,5% de los niños
Una investigación firmada por médicos de la Clínica Mayo (Estados Unidos) estima que son un 7,5% los niños afectados por el trastorno de hiperactividad y déficit de atención, según publican en el número de marzo de "Archives of Pediatrics and Adolescent Medicine".
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