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- Title
Prevalence of personality disorders using two diagnostic systems in psychiatric outpatients in Shanghai, China: a comparison of uni-axial and multi-axial formulation.
- Authors
Zhang, Tianhong; Wang, Lanlan; Good, Mary-Jo; Good, Byron; Chow, Annabelle; Dai, Yunfei; Yu, Junhan; Zhang, Haiyin; Xiao, Zeping
- Abstract
Objective: To compare multi-axial (DSM-IV) with uni-axial diagnostic system (CCMD-3, Chinese Classification and Diagnostic Criteria of Mental Disorders) as diagnostic methods to determine the prevalence of personality disorders (PDs) in Chinese psychiatric outpatients. Method: 3,075 outpatients were randomly sampled from clinical settings in China. CCMD-3 PDs were evaluated as per routine psychiatric practice. DSM-IV PDs were assessed using both self-reported questionnaire and structured clinical interview. Results: The prevalence estimate for any type of PD in the total sample is 31.93% as reflected in the DSM-IV. This figure is nearly 110 times as large as the prevalence estimate for the CCMD-3. Only 9 outpatients were diagnosed with PD based on the CCMD-3. Amongst the 10 forms of DSM-IV PDs, avoidant (8.1%), obsessive-compulsive (7.6%), paranoid (6.0%), and borderline (5.8%) PDs were the most prevalent subtypes. This study found that PDs are commonly associated with the following: (i) the younger aged; (ii) single marital status; (iii) those who were not raised by their parents; (iv) introverted personalities; (v) first-time seekers of psycho-counseling treatment; and (vi) patients with co-morbid mood or anxiety disorders. Conclusions: PDs are easily overlooked when the diagnosis is made based on the CCMD-3 uni-axial diagnostic system. However, it was found that personality pathology is common in the Chinese psychiatric community when using the DSM-IV classification system. Existing evidence suggest, at least indirectly, that there are important benefits of moving towards a multi-axial diagnostic approach in psychiatric practice.
- Subjects
SHANGHAI (China); CHINA; PERSONALITY disorders; DISEASE prevalence; PSYCHOTHERAPY patients; OUTPATIENT medical care; COMPARATIVE studies; QUESTIONNAIRES
- Publication
Social Psychiatry & Psychiatric Epidemiology, 2012, Vol 47, Issue 9, p1409
- ISSN
0933-7954
- Publication type
Article
- DOI
10.1007/s00127-011-0445-x