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Relationship between obsessive-compulsive personality disorder and obsessive-compulsive disorder
G Diaferia1, I Bianchi, M L Bianchi
1Istituto Scientifico Ospedale San Raffaele, Department of Neuropsychiatric Sciences, University of Milan School of Medicine, Italy.
Comprehensive Psychiatry
|January 1, 1997
Summary
Obsessive-compulsive personality disorder (OCPD) is more common in patients with obsessive-compulsive disorder (OCD) than in those with panic or major depressive disorder. This suggests a specific link between OCPD and OCD.
Area of Science:
- Psychiatry
- Clinical Psychology
Background:
- Obsessive-compulsive personality disorder (OCPD) is a distinct diagnostic entity.
- The relationship between OCPD and obsessive-compulsive disorder (OCD) requires further investigation to establish specificity.
Purpose of the Study:
- To determine the specificity of the association between OCPD and OCD.
- To compare the prevalence of OCPD in patients with OCD, major depressive disorder (MDD), and panic disorder (Panic).
Main Methods:
- A cross-sectional study was conducted with 277 patients: 88 with OCD, 58 with MDD, and 131 with Panic disorder.
- Statistical analysis was used to compare OCPD frequencies across diagnostic groups.
- Discriminant analysis was employed to identify OCPD criteria predictive of OCD.
Main Results:
- OCPD was found to be statistically significantly more frequent in patients with OCD compared to those with Panic and MDD.
- The distribution of individual OCPD criteria did not significantly differ between the three patient groups.
- Discriminant analysis achieved a 66% correct classification rate for OCD based on selected OCPD criteria.
Conclusions:
- The findings support a specific relationship between OCPD and OCD.
- OCPD appears to be a relevant comorbidity more frequently associated with OCD than with MDD or Panic disorder.
- Further research is warranted to explore the clinical implications of OCPD in OCD patients.