Prevalence of Autism Spectrum Disorders in a Total Population Sample

Kim, Young S.; Leventhal, Bennett L.; Koh, Yun Joo; Fombonne, Éric; Laska, Eugene; Lim, Eun Chung; Cheon, Keun‐Ah; Kim, Soo Jeong; Kim, Young Key; Lee, Hyun Kyung; Song, Dong Ho; Grinker, Roy R.

doi:10.1176/appi.ajp.2011.10101532

Cited by 1,238 publications

(833 citation statements)

References 24 publications

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“…Such considerations help to explain the startlingly high prevalence of autism that Grinker found in South Korea in a study published this year 6 . In the 1980s, he had found Korean families generally unwilling to admit that anything might be wrong with their children, because of the stigma attached 7 .…”

Section: Autism Countsmentioning

confidence: 95%

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The prevalence puzzle: Autism counts

Weintraub¹

2011

Nature

193

103

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Section: Autism Countsmentioning

confidence: 95%

“…His team screened more than 55,000 children born between 1993 and 1999, and came up with an estimated prevalence for ASD of 1 in 38 (ref. 6). Grinker says that this is perhaps an overestimate, but it's the best his team could produce.…”

Section: Autism Countsmentioning

confidence: 99%

The prevalence puzzle: Autism counts

Weintraub¹

2011

Nature

193

103

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“…Neuen epidemiologischen Studien zufolge beträgt die Prävalenzrate für ASS zwischen 1 % und 1,5 % (Developmental DMNSY, 2010 Principal Investigators 2014; Kim et al 2011;Lyall et al 2017). Der Anstieg der Prävalenzrate in den letzten 15 Jahren ist insbesondere auf die vermehrte Identifikation erwachsener, autistischer Personen mit hohem Funktionsniveau zurückzuführen (Lyall et al 2017).…”

Section: Hintergrundunclassified

Schematherapie-informiertes, soziales Interaktionstraining

et al. 2018

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HintergrundDas wissenschaftliche und gesellschaftliche Interesse an Autismus-SpektrumStörungen (ASS) hat in den letzten Jahren stark zugenommen. Neuen epidemiologischen Studien zufolge beträgt die Prävalenzrate für ASS zwischen 1 % und 1,5 % (Developmental DMNSY, 2010 Principal Investigators 2014Kim et al. 2011;Lyall et al. 2017). Der Anstieg der Prävalenzrate in den letzten 15 Jahren ist insbesondere auf die vermehrte Identifikation erwachsener, autistischer Personen mit hohem Funktionsniveau zurückzuführen (Lyall et al. 2017

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“…For example, although recent U.S. figures have suggested rates of more than 1% for ASD (3) and a South Korean study reported prevalence estimates of 0.9% for AD and 2.6% for ASD (24), an epidemiological study in Norway (25) found rates of only 0.14% for AD and 0.5% for ASD.…”

Section: Introductionmentioning

confidence: 99%

Changes in the frequency and characteristics of children diagnosed with autistic disorder in two Norwegian cohorts: 1992 and 2009

Romhus

Herder

Grindheim

et al. 2017

Scandinavian Journal of Child and Adolescent Psychiatry and Psychology

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Background: Is the increasing prevalence of autistic disorder (AD) a well-documented trend or merely a reflection of the wider recognition of AD among both the public at large and health care professionals? Data from relevant studies are frequently compromised by comparisons of different sites and different diagnostic methods. Objectives: To explore changes over time, we reviewed the following: 1) the frequency of AD diagnoses; 2) the characteristics of the diagnosed children; and 3) the ages of the children when initial concerns were addressed and AD diagnoses made. Method: We compared the case records of children between the ages of 1 and 17 years who were residing in Nordland County, Norway, and who were diagnosed with AD during two different data collection periods: 1992 (Cohort 1) and 2009 (Cohort 2). Results: In Cohort 1, 28 children were diagnosed with AD; 71 children in Cohort 2 received AD diagnoses. The increase was greatest among children with intelligence quotient (IQ) values of at least 70. The proportion of children with genetic syndromes was around 20% in both cohorts. Median age at AD diagnosis did not differ between the two cohorts (4.5 vs. 5.0 years, respectively). When the two cohorts were combined, children with IQ values of 70 or more without a genetic syndrome and those with IQ values of less than 50 with genetic syndromes were diagnosed at approximately the same age (5.5 and 5.3 years, respectively). Both groups were significantly older at diagnosis as compared with children with IQ values of less than 50 without genetic syndromes (3.5 years). Conclusions:The increase in the number of children diagnosed with AD is consistent with findings from international studies. Contrary to predictions, the age at diagnosis was not reduced over time. A higher proportion of children with IQ values in the average range in the latter cohort may have contributed to this. A delayed diagnosis of AD among children with genetic syndromes may indicate that early autism symptoms are attributed to the genetic condition. Clinical implications are discussed.

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Prevalence of Autism Spectrum Disorders in a Total Population Sample

Cited by 1,238 publications

References 24 publications

The prevalence puzzle: Autism counts

The prevalence puzzle: Autism counts

Schematherapie-informiertes, soziales Interaktionstraining

Changes in the frequency and characteristics of children diagnosed with autistic disorder in two Norwegian cohorts: 1992 and 2009

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