Main samples ADHD table
| Publication | Definition | Hyperactive (%) | Inattentive (%) | Combined (%) | IQ (SD) | Amphetamines (%) |
| Ahrendts 201... | Individuals with ADHD | 0 (0%) | 0 (0%) | 31 (100%) | N/A | 0 (0%) |
| Almeida Mont... | Individuals with ADHD | 0 (0%) | 0 (0%) | 20 (100%) | 102.85 (10.17) | 0 (0%) |
| Amico 2011... | Individuals with ADHD | N/A | N/A | N/A | N/A | 6 (30%) |
| Brieber 2007... | Individuals with ADHD | 0 (0%) | 4 (27%) | 11 (73%) | 104.10 (15.80) | 10 (67%) |
| Carmona 2005... | Individuals with ADHD | 5 (20%) | 5 (20%) | 15 (60%) | N/A | 25 (100%) |
| Depue 2010... | Individuals with ADHD | 0 (0%) | 0 (0%) | 31 (100%) | 114.20 (7.30) | 24 (77%) |
| Kobel 2010... | Individuals with ADHD | 0 (0%) | 5 (36%) | 9 (64%) | N/A | 14 (100%) |
| McAlonan 200... | Individuals with ADHD | 5 (18%) | 9 (32%) | 14 (50%) | 109.90 (21.30) | 28 (100%) |
| Overmeyer 20... | Individuals with ADHD | N/A | N/A | N/A | 99.00 (14.90) | 17 (94%) |
| Rubia 2010... | Individuals with ADHD | 0 (0%) | 0 (0%) | 15 (100%) | N/A | 0 (0%) |
| Sasayama 201... | Individuals with ADHD | 2 (11%) | 6 (33%) | 10 (56%) | 89.96 (12.26) | 13 (72%) |
| Seidman 2010... | Individuals with ADHD | N/A | N/A | N/A | 116.00 (12.60) | 21 (28%) |
| Wang 2007... | Individuals with ADHD | N/A | N/A | N/A | 103.00 (18.00) | 0 (0%) |
| Yang 2008... | Individuals with ADHD | N/A | N/A | N/A | 97.90 | 49 (86%) |