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J Affect Disord. 2014 Jan;152-154:169-74. doi: 10.1016/j.jad.2013.09.004. Epub 2013 Sep 13.

Obsessive-compulsive disorder; chronic versus non-chronic symptoms.

Author information

1
Innova Research Centre, Mental Health Care Institute GGZ Centraal, Ermelo, The Netherlands. Electronic address: h.visser1@ggzcentraal.nl.

Abstract

OBJECTIVE:

Understanding chronicity in OCD is hampered by contradictory findings arising from dissimilar definitions of chronic OCD. The purpose of this study was to investigate the magnitude of chronicity in OCD and to examine if chronic OCD is critically different from non-chronic OCD, using a chronicity definition that reflects empirical findings.

METHOD:

Baseline data of the Netherlands Obsessive Compulsive Disorder Association (NOCDA) study, in which 379 OCD patients participated, were analyzed. Chronic OCD was defined as "continuous presence of at least moderately severe OCD symptoms during at least two years", and was assessed retrospectively using a Life-Chart Interview.

RESULTS:

Application of the chronicity criterion resulted in two groups with highly distinguishable course patterns. The majority of the sample (61.7%) reported a chronic course. Patients with a chronic course reported significantly more severe OCD symptoms, more illness burden, more comorbidity, an earlier OCD onset and more contamination and washing - and symmetry and ordering symptoms. Multivariable logistic regression analysis revealed that chronic OCD was independently associated with more OCD-subtypes (p<0.001), contamination and washing symptoms (p<0.001), earlier OCD onset (p=0.05) and higher severity of compulsions (p<.01).

LIMITATIONS:

The findings are based on a cross-sectional survey. Furthermore course was assessed retrospectively, implying the possibility of overestimation of persistence and severity of symptoms.

CONCLUSION:

Chronicity is the rule rather than the exception in OCD in clinical samples. Chronic OCD is critically different from non-chronic OCD. Further attempts to break down the heterogeneity of OCD in homogeneous course subtypes should be made to allow for a more precise determination of the pathogenesis of OCD and better treatment.

KEYWORDS:

Age at onset; Chronic disease; Obsessive-compulsive disorder; Severity of illness

PMID:
24084621
DOI:
10.1016/j.jad.2013.09.004
[Indexed for MEDLINE]

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