The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan
Background. No large-scale study of the timing of autism spectrum disorder (ASD) diagnosis has been performed in Japan to date. The aim of this study was to examine sex differences and annual trends in age at diagnosis of ASD using clinical data. Methods. Clinical data for children aged less than 18...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | International Journal of Pediatrics |
| Online Access: | http://dx.doi.org/10.1155/2018/5374725 |
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| author | Shigeki Kurasawa Kiyomi Tateyama Ryoichiro Iwanaga Taro Ohtoshi Ken Nakatani Katsushi Yokoi |
| author_facet | Shigeki Kurasawa Kiyomi Tateyama Ryoichiro Iwanaga Taro Ohtoshi Ken Nakatani Katsushi Yokoi |
| author_sort | Shigeki Kurasawa |
| collection | DOAJ |
| description | Background. No large-scale study of the timing of autism spectrum disorder (ASD) diagnosis has been performed in Japan to date. The aim of this study was to examine sex differences and annual trends in age at diagnosis of ASD using clinical data. Methods. Clinical data for children aged less than 18 years diagnosed with ASD between January 1, 2009, and December 31, 2013, and in whom follow-up was possible 1 year after diagnosis, were extracted. Results. The mean age at ASD diagnosis was 7.2 ± 4.2 years and the mode age was 3 years. No sex difference was observed for age at diagnosis (p=0.157). An annual trend of earlier diagnosis was observed when fiscal years were compared (p<0.001). Conclusion. This study highlighted the need to develop and provide appropriate early intervention methods and services for ASD children in Japan. |
| format | Article |
| id | doaj-art-271b9f703c124059a9496d3c965b0df0 |
| institution | Kabale University |
| issn | 1687-9740 1687-9759 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Pediatrics |
| spelling | doaj-art-271b9f703c124059a9496d3c965b0df02025-02-03T06:12:17ZengWileyInternational Journal of Pediatrics1687-97401687-97592018-01-01201810.1155/2018/53747255374725The Age at Diagnosis of Autism Spectrum Disorder in Children in JapanShigeki Kurasawa0Kiyomi Tateyama1Ryoichiro Iwanaga2Taro Ohtoshi3Ken Nakatani4Katsushi Yokoi5Department of Rehabilitation Sciences, Kansai University of Welfare Sciences, 3-11-1 Asahigaoka, Kashiwara 582-0026, JapanDepartment of Occupational Therapy, School of Comprehensive Rehabilitation, College of Health and Human Sciences, Osaka Prefecture University, 3-7-30 Habikino, Habikino, Osaka 583-8555, JapanDepartment of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, JapanDepartment of Rehabilitation Sciences, Kansai University of Welfare Sciences, 3-11-1 Asahigaoka, Kashiwara 582-0026, JapanDepartment of Rehabilitation Sciences, Kansai University of Welfare Sciences, 3-11-1 Asahigaoka, Kashiwara 582-0026, JapanDepartment of Occupational Therapy, Faculty of Health Sciences, Morinomiya University of Medical Sciences, 1-26-16, Nankoukita, Suminoe-ku, Osaka 559-0024, JapanBackground. No large-scale study of the timing of autism spectrum disorder (ASD) diagnosis has been performed in Japan to date. The aim of this study was to examine sex differences and annual trends in age at diagnosis of ASD using clinical data. Methods. Clinical data for children aged less than 18 years diagnosed with ASD between January 1, 2009, and December 31, 2013, and in whom follow-up was possible 1 year after diagnosis, were extracted. Results. The mean age at ASD diagnosis was 7.2 ± 4.2 years and the mode age was 3 years. No sex difference was observed for age at diagnosis (p=0.157). An annual trend of earlier diagnosis was observed when fiscal years were compared (p<0.001). Conclusion. This study highlighted the need to develop and provide appropriate early intervention methods and services for ASD children in Japan.http://dx.doi.org/10.1155/2018/5374725 |
| spellingShingle | Shigeki Kurasawa Kiyomi Tateyama Ryoichiro Iwanaga Taro Ohtoshi Ken Nakatani Katsushi Yokoi The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan International Journal of Pediatrics |
| title | The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan |
| title_full | The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan |
| title_fullStr | The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan |
| title_full_unstemmed | The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan |
| title_short | The Age at Diagnosis of Autism Spectrum Disorder in Children in Japan |
| title_sort | age at diagnosis of autism spectrum disorder in children in japan |
| url | http://dx.doi.org/10.1155/2018/5374725 |
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