Table 1.
Study | Number of ADHD | Number of controls | % male | M age | Diagnostic system | Source of patients | Diagnostic method | Tissue used for assay |
---|---|---|---|---|---|---|---|---|
M. Ceylan, Sener, Bayraktar, and Kavutcu (2010) | 35 | 35 | 69 | 10 | DSM-IV | Clinic | SI | Blood |
Archana et_al. (2012) | 20 | 20 | 70 | 9 | DSM-IV | Clinic | RS | Saliva |
M. F. Ceylan, Sener, Bayraktar, and Kavutcu (2012) | 35 | 35 | 69 | 10 | DSM-IV | Clinic | SI | Blood |
Selek, Bulut, Ocak, Kalenderoglu, and Savas (2012) | 50 | 31 | 68 | 26 | DSM-IV | Clinic | RS | Blood |
Oztop, Altun, Baskol, and Ozsoy (2012) | 30 | 30 | 75 | 9 | DSM-IV | Clinic | SI | Blood |
Chovanova et_al. (2006) | 61 | 56 | 82 | 12 | ICD-10 | Clinic | RS | Blood |
Note. DSM-IV = Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM-IV; American Psychiatric Association [APA], 1994); SI = structured interview; RS = rating scale; ICD-10 = International Classification of Diseases–10th Revision.