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KMID : 0367320020130010139
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Journal of the Korean Academy of Child and Adolescent Psychiatry
2002 Volume.13 No. 1 p.139 ~ p.152
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CLINICAL AND NEUROPSYCHOLOGICAL CHARACTERISTICS OF DSM-IV SUBTYPES OF ATTENTION DEFICIT HYPERACTIVITY DISORDER
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Suh Hae-Sook
Cheung Seung-Deuk
Lee Jong-Bum
Kim Jin-Sung
Seo Wan-Seok
Bai Dai-Seg
Cheon Eun-Jin
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Abstract
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Objectives : This study was conducted to compare the clinical and neuropsychological characteristics by DSM-IV subtypes of attention deficit hyperactivity disorder (ADHD) patients who did not have comorbid psychiatric disorders.
Methods : 5-15 year old children with ADHD were recruited at psychiatric outpatient clinic of Yeungnam University hospital and the patients with comorbidity or neurological abnormalities were excluded. Finally, total 404 children with ADHD were selected for this study. There were 234 subjects of ADHD-C (57.9%) , 156 subjects of ADHD-I (38.6%) and 14 subjects of ADHD-HI (3.5%) , who firlfilled the DSM-IV diagnostic criteria. The mean age of the total subjects was 9.63 ±2.49 years old. The psychopathology, IQ, behavioral problems, neuropsychological executive function were evaluated before pharmacolog::al treatment The measures were Korean Personality Inventory of Child (K-PIC) for psychopathology, 4 behavioral check lists (ADDES-HV, ACTeRS, CAP, SNAP) for behavioral symptoms of ADHD, K-ABC and KEDI-WISC for IQ and Conner´s CPT, WCST, SST for neuropsychological executive functions.
Results : 1) The prevalence of subtypes was ADHD-C, ADHD-I, ADHD-HI in decreasing order. There was no sex difference of prevalence among three subtypes. The mean age of ADHID-I was older than other subtypes. 2) There was significant differences of psychopathology among subtypes, the ADHD-C and ADHD-HI had higher than the ADHD-1 in the scores of delinquent, hyperactivity and psychosis ; the ADHD-C had higher than the ADHD-I in the scores of family relation and autism, the scores of ego resilience were lower than the ADHD-I. However, there was no difference in anxiety, depression and somatization scores among them. 3) The results of behavioral symptom check lists, the ADHD-C had higher the score of inattention, hyperactivity and impulsivity than the ADHD-I. Meanwhile the results of ACTeRs, which rated by the teachers, were different. 4) There were significant differences of sequential processing scale and arithmetics among subtypes in IQ using K-ABC, but there was no significant difference between the ADHD-C and the ADHD-I after excluding the ADHD-HI due to small numbers. 5) There was numerical difference among subtypes but did not reach statistical significance in three neuropsychological executive function tests.
Conclusion : In conclusion, our results revealed that there was significant difference in clinical features among three subtypes but, no significant difference in executive functions.
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KEYWORD
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ADHD, Subtype, Clinical characteristics
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