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Sensitivity and Specificity of the Beck Depression Inventory-II in Persons With Traumatic Brain Injury |
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| Authors: | Beeta Y. Homaifar Lisa A. Brenner Peter M. Gutierrez Jeri F. Harwood Caitlin Thompson Christopher M. Filley James P. Kelly Lawrence E. Adler |
| Affiliation: | a Veterans Affairs VISN 19 Mental Illness Research, Education and Clinical Center, Denver, CO b Department of Physical Medicine and Rehabilitation, University of Colorado Denver, School of Medicine, Denver, CO c Department of Psychiatry, University of Colorado Denver, School of Medicine, Denver, CO d Department of Pediatrics, University of Colorado Denver, School of Medicine, Denver, CO e Department of Neurology, University of Colorado Denver, School of Medicine, Denver, CO f Department of Neurosurgery, University of Colorado Denver, School of Medicine, Denver, CO g Department of Psychiatry, University of Rochester Medical Center, Rochester, NY h Veterans Affairs Eastern Colorado Health Care System, Denver, CO i Department of Biostatistics and Informatics, School of Public Health, Denver, CO |
| Abstract: | Homaifar BY, Brenner LA, Gutierrez PM, Harwood JF, Thompson C, Filley CM, Kelly JP, Adler LE. Sensitivity and specificity of the Beck Depression Inventory-II in persons with traumatic brain injury.ObjectivesOur objective was to examine the Beck Depression Inventory-II (BDI-II) in a traumatic brain injury (TBI) sample using a receiver operating characteristic (ROC) curve to determine how well the BDI-II identifies depression. An ROC curve allows for analysis of the sensitivity and specificity of a diagnostic test using various cutoff points to determine the number of true positives, true negatives, false positives, and false negatives.DesignThis was a secondary analysis of data gathered from an observational study. We examined BDI-II scores in a sample of 52 veterans with remote histories of TBI.SettingThis study was completed at a Veterans Affairs (VA) Medical Center.ParticipantsParticipants were veterans eligible to receive VA health care services.InterventionsNot applicable.Main Outcome MeasuresOutcome measures included the BDI-II and the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-IV).ResultsWe generated an ROC curve to determine how well the BDI-II identifies depression using the SCID-IV as the criterion standard for diagnosing depression, defined here as a diagnosis of major depressive disorder. Results indicated a cutoff score of at least 19 if one has a mild TBI or at least 35 if one has a moderate or severe TBI. These scores maximize sensitivity (87%) and specificity (79%).ConclusionsClinicians working with persons with TBI can use the BDI-II to determine whether depressive symptoms warrant further assessment. |
| Keywords: | Brain injuries Depression Rehabilitation Veterans |
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