Despite excluding depression and anxiety symptom criteria, the International Classification of Diseases (ICD‐11) identified equal or higher proportion of depression and anxiety disorders, suggesting that those are inherently associated with posttraumatic stress disorder (PTSD). This according to a recent study that examined the effect of implementing ICD‐11 criteria on rates of co-diagnosed depression and anxiety in survivors with recent PTSD. Participants were 1,061 survivors of traumatic injury admitted to acute care centers. ICD‐10 and ICD‐11 diagnostic rules were applied to the Clinician‐Administered PTSD Scale for DSM‐IV. Co‐occurring disorders were identified using the Structured Clinical Interview for DSM‐IV (SCID). Researchers found:
- Participants identified by ICD‐11 PTSD criteria were equally or more likely than those identified by the ICD‐10 alone to meet depression or anxiety disorder diagnostic criteria.
- ICD‐11 PTSD was associated with higher Beck Depression Inventory‐II (BDI) scores.
- PTSD symptom severity accounted for the higher levels of depression in ICD‐11 PTSD.
Barbano AC, van der Mei WF, deRoon-Cassini TA, et al. Differentiating PTSD from anxiety and depression: Lessons from the ICD‐11 PTSD diagnostic criteria. [Published online ahead of print January 25, 2019]. Depress Anxiety. doi:10.1002/da.22881.
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