[Concordance of DSM-5®-Diagnoses Based on Diagnostic Interviews with People with Mental Disorders and Relatives or Friends: Implications for Psychological Autopsy Studies].

BACKGROUND

The evaluation whether a person who died by suicide suffered from a psychiatric disorder poses a diagnostic problem on psychological autopsy studies and is debated controversially.

OBJECTIVE

Do patients and relatives or friends agree on DSM-5-diagnoses?

METHODS

A sample of N=20 inpatients and their relatives or friends were interviewed using a structured-clinical interview. In total agreement on 78 patient-based and 72 relatives- or friends-based diagnoses could be assessed.

RESULTS

Agreement of patients' and relatives' or friend's diagnoses was low. Moderate concordance was found for the following diagnoses: Posttraumatic Stress Disorder, Somatic Symptom Disorder, Borderline Personality Disorder, and Binge-Eating Disorder. Only for the Persistent Depressive Disorder, the Binge-Eating Disorder, and the Borderline Personality Disorder good positive predictive values (0.75-0.80) were observed.

CONCLUSION

On the basis of interviews with relatives or friends, no reliable diagnostic decisions can be made.