From: Tourette syndrome and other neurodevelopmental disorders: a comprehensive review
Author (year) | N | Context | Age | Prevalence of TS (%) | Comorbidity | Scales | Nationality |
---|---|---|---|---|---|---|---|
Comings and Comings (1990) [16] | 3034 | School | NS (children) | 0.46 | ADHD 10/14 (70%) | NS | USA |
Apter et al. (1993) [17] | 2837 | Israeli defense force recruitment | 16–17 | 0.04 | ADHD 8.3% OCD 41.7% | NS | Israel |
Kadesjo and Gillberg (2000) [19] | 435 | School | Mean, 11 | 1.1 | ADHD 1/11 (9%) Asperger 1/11 (9%) Dyslexia 2/11 (18%) | DSM III criteria Conners ASSQ | Sweden |
Wang et al. (2003) [18] | 2000 | School | 6–12 | 0.56 | ADHD 36% | YSTSOBS | Taiwan |
Khalifa and von Knorring (2006) [20] | 4479 | School | 7–15 | 0.6 | ADHD 68% (ADHD C 60%, ADHD HI 8%) PDD 20% (Asperger 16%, PDD-NOS 4%) OCD 16% Depression 20% Conduct disorder 8% Sleep disorder 28% DCC 20% LD 16% ID 16% | DSM IV criteria ASSQ CYBOCS Conners CBCL CDI | Sweden |