Regardless of similarities between the OCPD criteria and the obsessions and compulsions found in OCD, there are discrete qualitative dissimilarities between these disorders, predominantly in the functional part of symptoms.
Uanset ligheder mellem OCPD kriterier og de tvangstanker og tvangshandlinger, der findes i OCD, er der diskrete kvalitative forskelle mellem disse lidelser, overvejende i den funktionelle del af symptomerne.