French adaptation of a new score for global assessment of psoriasis severity: The Simplified Psoriasis Index (SPI)

Although several scores exist to assess psoriasis severity, most have marked limitations that rule out their use in routine clinical practice. A new score, the Simplified Psoriasis Index (SPI), has recently been developed and validated in adults in Britain for such use. It has separate components fo...

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Bibliographic Details
Published in:Annales de dermatologie et de vénéréologie 2019-12, Vol.146 (12), p.783-792
Main Authors: Richard, M A, Aractingi, S, Joly, P, Mahé, E, Auquier, P, Le Guen, S, Acquadro, C, Boucher, F, Chalmers, R J G
Format: Article
Language:fre
Subjects:
France
Humans
Patient Outcome Assessment
Psoriasis - complications
Psoriasis - psychology
Quality of Life
Severity of Illness Index
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Summary:Although several scores exist to assess psoriasis severity, most have marked limitations that rule out their use in routine clinical practice. A new score, the Simplified Psoriasis Index (SPI), has recently been developed and validated in adults in Britain for such use. It has separate components for current severity (SPI-s), psychosocial impact (SPI-p) and past history and interventions (SPI-p), and it is suitable for either professional assessment or patient self-assessment. The aim of this work was to produce a validated translation of SPI into French (as spoken in France). The index was translated and validated using a strict methodology comprising respectively five and eight phases for the professional (proSPI) and self-administered instruments (saSPI). Translation of the saSPI instrument also involved a cognitive debriefing with five psoriasis patients. Linguistic discrepancies and subtle differences of meaning arising during the process were closely examined. The developer of the instrument ensured conceptual accuracy. A panel of health experts guaranteed that medical terms were correctly translated. Five patients with plaque psoriasis (two female and three male of median age 45 years [range: 31-78]) tested the SPI-p version during cognitive interviews and found the questionnaire clear and easy to understand. Validated French translations of both SPI instruments are now available for use in routine clinical practice. Further investigations are currently underway to validate the psychometric properties of the instrument.
ISSN:0151-9638
DOI:10.1016/j.annder.2019.08.004