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Optimizing the clinical utility of four proposed criteria for a persistent and impairing grief disorder by emphasizing core, rather than associated symptoms

  • Stephen J. Cozza (a1), M. Katherine Shear (a2), Charles F. Reynolds (a3), Joscelyn E. Fisher (a1), Jing Zhou (a1), Andreas Maercker (a4), Naomi Simon (a5), Christine Mauro (a6), Natalia Skritskaya (a2), Sidney Zisook (a7), Barry Lebowitz (a7), Colleen Gribbin Bloom (a2), Carol S. Fullerton (a1) and Robert J. Ursano (a1)...

Abstract

Background

Distinguishing a disorder of persistent and impairing grief from normative grief allows clinicians to identify this often undetected and disabling condition. As four diagnostic criteria sets for a grief disorder have been proposed, their similarities and differences need to be elucidated.

Methods

Participants were family members bereaved by US military service death (N = 1732). We conducted analyses to assess the accuracy of each criteria set in identifying threshold cases (participants who endorsed baseline Inventory of Complicated Grief ⩾30 and Work and Social Adjustment Scale ⩾20) and excluding those below this threshold. We also calculated agreement among criteria sets by varying numbers of required associated symptoms.

Results

All four criteria sets accurately excluded participants below our identified clinical threshold (i.e. correctly excluding 86–96% of those subthreshold), but they varied in identification of threshold cases (i.e. correctly identifying 47–82%). When the number of associated symptoms was held constant, criteria sets performed similarly. Accurate case identification was optimized when one or two associated symptoms were required. When employing optimized symptom numbers, pairwise agreements among criteria became correspondingly ‘very good’ (κ = 0.86–0.96).

Conclusions

The four proposed criteria sets describe a similar condition of persistent and impairing grief, but differ primarily in criteria restrictiveness. Diagnostic guidance for prolonged grief disorder in International Classification of Diseases, 11th Edition (ICD-11) functions well, whereas the criteria put forth in Section III of Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) are unnecessarily restrictive.

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Copyright

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

Corresponding author

Author for correspondence: Stephen J. Cozza, E-mail: stephen.cozza@usuhs.edu

References

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Cozza et al. supplementary material
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Optimizing the clinical utility of four proposed criteria for a persistent and impairing grief disorder by emphasizing core, rather than associated symptoms

  • Stephen J. Cozza (a1), M. Katherine Shear (a2), Charles F. Reynolds (a3), Joscelyn E. Fisher (a1), Jing Zhou (a1), Andreas Maercker (a4), Naomi Simon (a5), Christine Mauro (a6), Natalia Skritskaya (a2), Sidney Zisook (a7), Barry Lebowitz (a7), Colleen Gribbin Bloom (a2), Carol S. Fullerton (a1) and Robert J. Ursano (a1)...

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