Factor analysis and validation of the Bush Francis catatonia rating scale-Spain version
Serrat, Francesc (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol)
Cuevas-Esteban, Jorge (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal)
Baladon, Luisa (Parc Sanitari Sant Joan de Déu)
Rabaneda Lombarte, Neus (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol)
Diez-Quevedo, Crisanto (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal)
Iglesias-González, Maria (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal)

Data:	2023
Resum:	Background and objectives: The aim of this study was to assess the reliability and validity of the Bush Francis Catatonia Screening Instrument and Bush Francis Catatonia Rating Scale Spain Version (BFCSI-SV and BFCRS-SV) using the ICD-11 and DSM-5 diagnostic criteria as well as other catatonia scales. Methods: One hundred patients were admitted to the inpatient psychiatry unit at Hospital Universitari Germans Trias I Pujol and two psychiatrists administered the BFCRS-SV to the first 10 patients to assess inter-rater reliability. The BFCRS-SV, BFCSI-SV, Modified Rogers Scale (MRS), Abnormal Involuntary Movement Scales, Barnes Akathisia Rating Scale, and Modified Simpson-Angus Scale were then employed. Results: The results showed that 27% of patients had catatonia using the DSM-5 diagnostic criteria. Additionally, 51% of patients had 2 or more BFCRSI-SV items (Sensitivity: 100%; Specificity: 67. 12%). The alpha coefficient values were 0. 80 and 0. 84 for the BFCSI-SV and BFCRS-SV, respectively, and the intraclass correlation coefficient values were 0. 902 and 0. 903. The area under the ROC curve was 0. 971 and 0. 96, and the instruments had a strong positive correlation with the DSM-5 score, ICD-11 score, and MRS. The study identified a three-factor model comprising the inhibition, excitement, and parakinetic dimensions. Conclusions: Overall, the results suggest that the BFCSI-SV and BFCRS-SV are valid and reliable tools for the diagnosis of catatonia, especially when using a cut-off score of 5 or higher for the BFCSI-SV and 7 or higher for the BFCRS-SV.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Catatonia ; BFCRS2 ; Reliability3 ; Validation4 ; Diagnosis5
Publicat a:	European Journal of Psychiatry, Vol. 37, Num. 4 (2023) , art. 100221, ISSN 0213-6163

DOI: 10.1016/j.ejpsy.2023.07.004

9 p, 522.0 KB

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