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Portuguese ABE’s BPSD score (ABS): exploring agreement between ABS items and neuropsychiatric inventory domains

Published online by Cambridge University Press:  13 August 2021

A.R. Ferreira ,
C.C. Dias ,
M.R. Simões ,
K. Abe  and
L. Fernandes
A.R. Ferreira*
Affiliation:
Cintesis – Center For Health Technology And Services Research, Faculty of Medicine, University of Porto, Porto, Portugal
C.C. Dias
Affiliation:
Cintesis – Center For Health Technology And Services Research, Faculty of Medicine, University of Porto, Porto, Portugal Department Of Community Medicine, Information And Health Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal
M.R. Simões
Affiliation:
Cineicc, Psyassessmentlab, Faculty of Psychology and Educational Sciences, University of Coimbra, Coimbra, Portugal
K. Abe
Affiliation:
Department Of Neurology, Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama University, Okayama, Japan
L. Fernandes
Affiliation:
Cintesis – Center For Health Technology And Services Research, Faculty of Medicine, University of Porto, Porto, Portugal Department Of Clinical Neurosciences And Mental Health Department, Faculty of Medicine, University of Porto, Porto, Portugal Psychiatry Service, Centro Hospitalar Universitário de São João, Porto, Portugal
*
*Corresponding author.

Abstract

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Introduction

Neuropsychiatric symptoms (NPS) are common, disabling and burdensome core-features of dementia, with important diagnostic and prognostic value. However, their measurement remains challenging. The Neuropsychiatric Inventory (NPI) is the most widely used NPS measure. Nevertheless, it is also time-consuming and impractical in most clinical settings. Therefore, the Abe’s BPSD score (ABS) has been proposed as a brief score to facilitate the NPS assessment.

Objectives

To explore the concurrent validity of the Portuguese ABS by comparing the 10 ABS items with the relevant NPI-12 domains.

Methods

A cross-sectional study was conducted with outpatients attending a gerontopsychiatric consultation. Patients were included if they were ≥65 years and had a reliable caregiver. NPS frequency rates (number of patients with a symptom) were estimated with ABS and NPI-12, and an agreement analysis was undertaken by calculating kappa-coefficients (k) and the respective 95% confidence interval [95%CI] between ABS items and relevant NPI-12 domains.

Results

Overall, 107 patients were included. Kappa-values ranged from 0.277 to 1.000. Higher agreement was recorded for the ABS items eating/toilet problems (k=1.000), day–night reversal (k=0.976[0.925-1.000]) and depressive/gloomy mood (k=0.957[0.899-1.000]), with the NPI-12 appetite/eating abnormalities, night-time behavioural disturbances and dysphoria domains, respectively. The ABS item violent force recorded the lowest agreement (k=0.277[0.104-0.45]) with the NPI-12 agitation/aggression domain.

Conclusions

This exploratory analysis demonstrates good levels of agreement between most ABS items and relevant NPI-12 domains. Data add to the evidence that both measures capture a comparable broad spectrum of psychopathology, supporting the ABS use in clinical routine. Support: FCT(PD/BD/114555/2016), and National Funds through FCT-within CINTESIS, R&D Unit (ref.UIDB/4255/2020).

Keywords

Neuropsychiatric symptomsdementiaPsychiatric Status Rating ScalesValidation study
Type
Abstract
Information
European Psychiatry , Volume 64 , Special Issue S1: Abstracts of the 29th European Congress of Psychiatry , April 2021 , pp. S428
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the European Psychiatric Association
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