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. Author manuscript; available in PMC: 2017 Feb 6.
Published in final edited form as: J Atten Disord. 2013 Nov 14;19(11):915–924. doi: 10.1177/1087054713510354

Table 1.

Study Features.

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.