Revista de neurologia · 2005
[The prevalence of attention deficit hyperactivity disorder].
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Cardo E, Servera-Barceló M
Аннотация
INTRODUCTION: Hyperactivity is a common, genetically-based disorder in childhood in which a number of neurological and psychological factors that give rise to attentional disorders, impulsiveness and motor overactivity are involved.
DEVELOPMENT: The prevalence rate of attention deficit hyperactivity disorder (ADHD) is a controversial matter. Although the DSM-IV gives an interval of between 3 and 5%, which is probably the value that is most widely accepted by the scientific community, there is in fact a very high degree of variability. According to different authors, an interval of 2-30% is obtained in the general population. In Anglo-Saxon countries the most commonly accepted prevalence of this entity is 5%, but few studies have been conducted in our country. In an epidemiological study with a community-based sample extracted by multistage, stratified sampling in school-age children on the island of Majorca, the estimated prevalence of ADHD was 4.7%. The authors consider aspects concerning the prevalence of ADHD and subtypes by ages, sex, in both the clinical and community environments.
CONCLUSIONS: The analysis of these data will enable us to compare the different evaluation methods used and to draw conclusions about screening and early detection methods.
DEVELOPMENT: The prevalence rate of attention deficit hyperactivity disorder (ADHD) is a controversial matter. Although the DSM-IV gives an interval of between 3 and 5%, which is probably the value that is most widely accepted by the scientific community, there is in fact a very high degree of variability. According to different authors, an interval of 2-30% is obtained in the general population. In Anglo-Saxon countries the most commonly accepted prevalence of this entity is 5%, but few studies have been conducted in our country. In an epidemiological study with a community-based sample extracted by multistage, stratified sampling in school-age children on the island of Majorca, the estimated prevalence of ADHD was 4.7%. The authors consider aspects concerning the prevalence of ADHD and subtypes by ages, sex, in both the clinical and community environments.
CONCLUSIONS: The analysis of these data will enable us to compare the different evaluation methods used and to draw conclusions about screening and early detection methods.