Concordance between the DSM-IV and the DSM-5 Criteria for Delirium Diagnosis Referred to the Consultation-Liaison Psychiatry Unit at a University Hospital in Bangkok, Thailand
Sunanta Chantakarn MD, PhD, MPE1, Dheeravut Ratanapichayachai MD2, Sirirat Kooptiwoot MD1, Nattha Saisavoey MD1
Affiliation : 1 Department of Psychiatry, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand 2 Rajavithi Hospital, Bangkok, Thailand
Objective : The present study investigated concordance between DSM-IV and DSM-5 criteria for delirium diagnosis referred
to a consultation-liaison psychiatry unit at a University Hospital in Bangkok, Thailand.
Materials and Methods: A retrospective chart review was conducted on delirium patients who were consulted to the
psychiatric consultation-liaison unit of the hospital form September 2013 to June 2015.
Results : Delirium was found in 252 subjects, most were male in age >65 years old. Using DSM-IV Criteria, 177 cases
(70.2%) were identified as delirium. Using Strict DSM-5 criteria, 163 cases (64.7%) were identified as delirium. Furthermore,
using Relaxed DSM-5 criteria, 200 cases (79.4%) were identified as delirium. There were 163 cases (64.7%) were identified
as delirium by all three approaches. The concordance between the different diagnostic methods was: 95% (K = 0.89) between
DSM-IV and the strict DSM-5, 91% (K = 0.75) between the DSM-IV and relaxed DSM-5 criteria and 86% (K = 0.66)
between the strict versus relaxed DSM-5 criteria.
Conclusion : Degree of concordance in the present study is at a good level.
Keywords : Delirium, Classification, Diagnosis, Criteria, Neurocognitive disorder
