AI Article Synopsis

  • Previous research has overlooked how initial severity of symptoms affects the impact of pathological personality traits (PPT) on treatment outcomes for patients with depressive and anxiety disorders.
  • This study analyzed data from 5,689 patients, finding that Emotional Dysregulation had the strongest correlation with treatment outcomes; baseline symptom levels significantly influenced these results.
  • While PPT can predict higher symptom levels and influences the treatment outcome, adjustments for initial symptom severity show that the direct effects of PPT on improvements are relatively small.

Article Abstract

Previous studies have failed to take baseline severity into account when assessing the effects of pathological personality traits (PPT) on treatment outcome. This study assessed the prognostic value of PPT (Dimensional Assessment of Personality Pathology-Short Form) on treatment outcome (Brief Symptom Inventory [BSI-posttreatment]) among patients with depressive and/or anxiety disorders ( N = 5689). Baseline symptom level (BSI-pretreatment) was taken into account as a mediator or moderator variable. Results showed significant effects of PPT on outcome, of which Emotional Dysregulation demonstrated the largest association ( β = 0.43, p < 0.001). When including baseline BSI score as a mediator variable, a direct effect ( β = 0.11, p < 0.001) remained approximately one-third of the total effect. The effects of Emotional Dysregulation (interaction effect β = 0.061, p < 0.001) and Inhibition (interaction effect β = 0.062, p < 0.001), but not Compulsivity or Dissocial Behavior, were moderated by the baseline symptom level. PPT predicts higher symptom levels, both before and after treatment, but yields relatively small direct effects on symptom decline when the effect of pretreatment severity is taken into account.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9555756PMC
http://dx.doi.org/10.1097/NMD.0000000000001535DOI Listing

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