The Italian Version of the Borderline Personality Disorder Severity Index IV: Psychometric Properties, Clinical Usefulness, and Possible Diagnostic Implications

Ester di Giacomo*, Arnoud Arntz, Maria Fotiadou, Eugenio Aguglia, Lavinia Barone, Silvio Bellino, Bernardo Carpiniello, Fabrizia Colmegna, Marina Lazzari, Liliana Lorettu, Federica Pinna, Aldo Sicaro, Maria Salvina Signorelli, Massimo Clerici

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Borderline personality disorder (BPD) has a core embodied in affective and behavioral dysregulations, impulsivity, and relational disturbance. Clinical presentation might be heterogeneous due to a combination of different symptoms listed in the DSM-5. Clinical diagnosis and assessment of the severity of manifestations might be improved through the administration of structured interviews such as the Borderline Personality Disorder Severity Index, 4th edition (BPDSI-IV). The psychometric properties of the Italian version of the BPDSI-IV were examined for the first time in 248 patients affected by BPD and 113 patients affected by bipolar disorder, proving to be a valid and accurate instrument with good internal consistency and high accuracy. The Italian version also demonstrates significant validity in the discrimination between these clinical groups (p <5001).
Original languageEnglish
Pages (from-to)207-219
JournalJournal of Personality Disorders
Volume32
Issue number2
DOIs
Publication statusPublished - Apr 2018
Externally publishedYes

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