Are all the 18 DSM-IV and DSM-5 criteria equally useful for diagnosing ADHD and predicting comorbid conduct problems?

Garcia Rosales, Alexandra; Vitoratou, Silia; Banaschewski, Tobias; Asherson, Philip; Buitelaar, Jan; Oades, Robert D; Rothenberger, Aribert; Steinhausen, Hans-Christoph; Faraone, Stephen V; Chen, Wai

doi:10.1007/s00787-015-0683-7

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Garcia Rosales, A., Vitoratou, S., Banaschewski, T., Asherson, P., Buitelaar, J., Oades, R. D., Rothenberger, A., Steinhausen, H.-C., Faraone, S. V., & Chen, W. (2015). Are all the 18 DSM-IV and DSM-5 criteria equally useful for diagnosing ADHD and predicting comorbid conduct problems? European Child & Adolescent Psychiatry, 24(11), 1325–1337. https://doi.org/10.1007/s00787-015-0683-7

Abstract

In view of ICD-11 revision, we evaluate whether the 18 DSM-IV diagnostic items retained by DSM-5 could be further improved (i) in predicting ADHD 'caseness' and 'impairment' and (ii) discriminating ADHD without CD (ADHD - CD) cases from ADHD with CD (ADHD + CD) cases. In a multi-centre study sample consisting of 1497 ADHD probands and 291 unaffected subjects, 18 diagnostic items were examined for redundancy; then each item was evaluated for association with caseness, impairment and CD status using Classical Test Theory, Item-Response