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Poster De Conférence Année : 2023

Is the Beck Depression Inventory Fast-Screen a valid screening tool for MS- patients ? A comparison to its full-length version.

Résumé

Introduction: While the presence and importance of depressive symptoms has long been measured using the 21- item Beck Depression Inventory (BDI-II) in MS-patients, experts more recently recommended to use a reduced form of this screening tool (BDI-Fast Screen, BDI-FS, 7 items). In the context of MS, the clinician is confronted with the difficulty of correctly diagnosing the presence of a depressive episode in a patient presenting with similar symptoms that could be related to MS (fatigue, sleep disorders, cognitive impairment...). This overlap between MS-symptoms and depressive symptoms may thus artificially inflate the overall depression score in patients, and general depression scales (not adapted to populations with neurological conditions) may provide inaccurate assessments of depression in MS patients. Objectives/Aims: In this study, we compared the prevalence of depression assessed by the BDI-II and the BDI-FS in a sample of 331 patients with MS. Methods: 331 MS-patients (60.8% relapsing-remitting, 31.3% secondary-progressive, 8% primary-progressive) underwent an affective assessment. The BDI-II is a self-administered questionnaire consisting of 21 items. A total score (/63) is provided to characterize depression. The reduced version of the BDI (BDI- FS) avoids the overlap between the vegetative symptoms of depression and the neurological manifestations of MS (such as insomnia, fatigue, or poor concentration). A total score (/21) is provided to characterize depression. Results: The prevalence of depression was higher using BDI-II compared to BDI-FS (54.1% versus 31.1%, p <.001). The odd ratio (OR) was 2.61 (95%CI 1.89 to 3.59, p <.001) when comparing BDI-II and BDI- FS, meaning the odds of being diagnosed “depressed” using BDI-II were 2.61 times higher than the odds of being diagnosed “depressed” using BDI-FS. After rescaling scores into a 0–1 scale to avoid artificial discrepancies, scaled scores of both tools were compared using the Wilcoxon test. The results showed significant differences between BDI-II and BDI-FS scaled-scores (p < .001) with large effect size (rb: 0.927). Finally, the concordance between BDI-II and BDI-FS was low with a kappa value of 0.41 (CI 95%: 0.34–0.489). Conclusion: The BDI-II showed poor agreement with the BDI-FS and inequal ability to detect affective disturbances in MS-patients. The BDI-II contains a number of vegetative or somatic items and caution should be applied when using with patients suffering from neurological conditions.
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hal-04235757 , version 1 (10-10-2023)

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  • HAL Id : hal-04235757 , version 1

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Béatrice Degraeve, Bruno Lenne, Caroline Massot, Cécile Donze. Is the Beck Depression Inventory Fast-Screen a valid screening tool for MS- patients ? A comparison to its full-length version.. European Committee For Treatment And Research In Multiple Sclerosis (ECTRIMS), Oct 2023, Milan (Italie), Italy. ⟨hal-04235757⟩
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