Development and validation of interpretability cutoffs for the short forms of the Brain Injury Rehabilitation Trust Personality Questionnaires (BIRT-PQs).
Benedetta Basagni, Leonardo Pellicciari, Antonio DE Tanti and 16 others
PMID 41424223WHAT IT FOUND
New score cutoffs identify when personality changes after brain injury deviate significantly from healthy norms.
For patients, low motivation scores above 25 linked to lower satisfaction across all life domains. For caregivers, emotional regulation scores above 13 linked to higher burden. These thresholds help interpret short-form questionnaires.
Key findings
01Patients scoring above the cutoff for low motivation (≥25) reported significantly lower satisfaction across all domains of the Satisfaction Profile.
02Caregiver ratings of patients' emotional regulation above the cutoff (≥13) were associated with significantly higher caregiver burden and personality/behavior changes.
03Scores for impulsivity and disinhibition above their respective cutoffs were not associated with lower patient satisfaction, unlike motivation and emotional regulation.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The healthy control sample used to set the cutoffs did not match the patient and caregiver samples in gender or education, which may affect the accuracy of the thresholds. The study did not use professionally administered neuropsychological instruments as external comparators, relying instead on self-reported and caregiver-reported measures. The results are based on a single time point, so the study does not show whether these questionnaires can detect changes over time or in response to treatment. The generalizability of the cutoffs is limited to the Italian population studied and needs confirmation in other samples.
Declared interests
The authors declared no conflicts of interest. The publication was supported by funding from the Italian Ministry of Health.
The easy way to misread this
Do not assume that high impulsivity or disinhibition scores indicate patient distress or dissatisfaction. The study found no significant association between these specific personality traits and patient-reported satisfaction, meaning these behaviors may be more visible to caregivers than to the patients themselves.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →