Cited by 75Schizophrenia research and treatmentPsychometric Methodologies and TestingMental Health and Psychiatry

Validación de la versión española de la escala de Funcionamiento Personal y Social en pacientes ambulatorios con esquizofrenia estable o inestable

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Garcia-Portilla, María Paz, Saiz, Pilar Alejandra, Bousoño, Manuel, Bascaran, María Teresa, Guzmán-Quilo, Carlos, Bobes, Julio·2011·Revista de Psiquiatría y Salud Mental

Abstract

Introduction The main long-term therapeutic goals of schizophrenia should go beyond the symptoms and include the improvement of patients' psychosocial functioning and quality of life. The aim of this study was to validate the Personal and Social Performance (PSP) scale in Spanish outpatients with schizophrenia.Materials and methods Naturalistic, 6-month follow-up, multicentre study. 244 patients and 76 controls were evaluated using the PSP, the Social and Occupational Functioning Assessment Scale (SOFAS), and the Clinical Global Impression - Severity (CGI-S) and Change (CGI-C) scales.Results Internal reliability=0.87. Test-retest reliability=0.98. Construct validity=1 component that explained 73.2% of the variance. Convergent validity: Pearson correlation coefficient between PSP and SOFAS=0.95 (p<0.0001), between PSP and CGI-S=-0.88 (p<0.0001). Discriminant validity: the PSP discriminates between patients and controls [50.3 versus 91.9, p<0.0001] and among patients with mild, moderate, and severe schizophrenia according to CGI-S scores [73 versus 56.6 versus 37.5, p<0.0001]. Area under the curve=0.986. A cut-off point of 79 on the PSP scale provided good sensitivity (94.3%) and specificity (96.1%) for identifying patients and controls according to their level of functioning. At month 6 significant improvements (p<0.0001) were seen in PSP, SOFAS, and CGI-C scores. The PSP was sensitive to improvement; a score of very much improved in the CGI-C corresponds to a improvement of 34 points in the PSP.Conclusion The Spanish PSP is a reliable, valid and sensitive instrument for measuring functioning in outpatients with schizophrenia. As a brief, clinician-rated instrument, the PSP scale seems to be appropriate for use in everyday clinical practice as a mean of identifying and monitoring changes in patient's functioning.

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Crossref · 10.1016/j.rpsm.2010.11.003

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Authors
Garcia-Portilla, M. P., Saiz, P. A., Bousoño, M., Bascaran, M. T., Guzmán-Quilo, C., & Bobes, J.
Affiliations
Universidad de Oviedo (ES)
Venue
Revista de Psiquiatría y Salud Mental
Publisher
Elsevier BV
Published
2011-01
Volume
4
Issue
1
Pages
9-18
ISSN
1888-9891 (ISSN-L)
OpenAlex
W2150819537
Cited by
75
References
29
Citations by year
2026: 4 · 2025: 1 · 2024: 4 · 2023: 6 · 2022: 11 · 2021: 7 · 2020: 5 · 2019: 5 · 2018: 7 · 2017: 11 · 2016: 2 · 2015: 3 · 2014: 4 · 2013: 3 · 2012: 2
FWCI
1.97
Type
journal article
Language
es
Open access
Locations
  • Revista de Psiquiatría y Salud Mental (publishedVersion)
  • Consultation of the Doctoral Thesis Database (TESEO) (Ministerio de Educación, Cultura y Deporte) (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
Keywords
schizophrenia, Personal and Social Performance Scale, psychosocial functioning, social functioning, occupational functioning, Spanish adaptation, psychometric validation, Global Assessment of Functioning, outpatients, quality of life, test-retest reliability, construct validity, convergent validity, discriminant validity, sensitivity and specificity

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