Intelligence Quotient of Child and Adolescent Patients with Autistic Disorder in Srinagarind Hospital, Khon Kaen

  • Papan Vadhanavikkit Department of Psychiatry, Faculty of Medicine, Khon Kaen University
  • Niramon Patjanasoontorn Department of Psychiatry, Faculty of Medicine, Khon Kaen University
  • Somjit Rongbudsri Department of Psychiatry, Faculty of Medicine, Khon Kaen University
  • Jintana Singkhornard Department of Psychiatry, Faculty of Medicine, Khon Kaen University
  • Peerada Unprai Department of Psychiatry, Faculty of Medicine, Khon Kaen University
Keywords: Intelligence quotient (IQ), Autistic disorder, Child and adolescent

Abstract

Objectives : To determine the average Intelligence quotient (IQ) and its related factors in the child and adolescent patients with autistic disorder treated in Srinagarind Hospital, Khon Kaen
Methods : This study was a retrospective descriptive study by reviewing the medical records and WISC-III scores of 6-16 -year-old patients with DSM-IV-TR met autistic disorder in
Srinagarind Hospital from January 1st, 2009 to December 31st, 2011. Data were presented with descriptive and analytical statistics and analyzed by STATA 10.0.
Results : Thirty-three patients were included in this study. There were 31 males (93.94%). The average age was 10.07 years (± 2.46). Most patients had IQ in an average range (90-109).
The mean full scale IQ was 97.97 (± 24.14). Most patients had WISC-III profile characterized by performance IQ > verbal IQ (45.45%). Mean verbal IQ was 94.45 (± 23.31) with highest
scores on similarities subtest (Mean 9.94 ± 4.88) and lowest scores on digit span subtest (Mean 7.45 ± 3.45). Mean performance IQ was 102.21 (± 24.18) with highest scores on block design subtest (Mean 11.12 ± 4.23) and lowest scores on coding subtest (Mean 8.85 ± 3.71). Medical conditions and taking psychostimulants were statistically significant related to the IQ (β= -23.26,95%CI [-41.85, -4.66], p= 0.02 and β= 19.79, 95%CI [2.99, 36.59], p= 0.02 respectively).
Conclusion : The Intelligence quotient of child and adolescent patients with autistic disorder in this study was in an average range. They performed well on general knowledge, logical
and abstract thinking. However, they had difficulties in attention, social judgment, perception and processing speed. Medical conditions and taking psychostimulants had negative and
positive association with IQ respectively.

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How to Cite
Vadhanavikkit, P., Patjanasoontorn, N., Rongbudsri, S., Singkhornard, J., & Unprai, P. (1). Intelligence Quotient of Child and Adolescent Patients with Autistic Disorder in Srinagarind Hospital, Khon Kaen. Journal of the Psychiatric Association of Thailand, 62(2), 97-106. Retrieved from https://he01.tci-thaijo.org/index.php/JPAT/article/view/92323