Measuring disability of women with systemic sclerosis: Validation of the Italian version of the Systemic Sclerosis Questionnaire

Claudia Uras, Patrizia Giannantoni, Stefano Tabolli, Paola Di Giulio, Angela Peghetti, Giuseppe Cianchini, Damiano Abeni

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Background: the aim of this study was to validate the Italian version of Systemic Sclerosis Questionnaire (SySQ) and to evaluate its psychometric characteristics on a sample of inpatient and outpatient women with systemic sclerosis (SSc). metHodS: internal and external validity of the Italian version of SySQ were analyzed. internal validity included: 1) construct validity by means of factor analysis; 2) internal consistency for each category of SySQ through Cronbach's alpha; and 3) reproducibility over time with testretest using both Pearson's correlation and Intraclass Correlation Coeficient. External validity included: 1) concurrent validity, i.e. correlation with Skindex-17; and 2) discriminant validity, through comparison of scores for different groups of patients. reSUltS: We obtained data on 115 patients with SSc: 68 had the limited clinical form (lSSc) and 47 had the diffuse clinical form (dSSc). the structure of SySQ was conirmed by factor analysis. The questionnaire showed optimal internal consistency for all SySQ categories (Cronbach's alpha >0.84) and very good reproducibility over time (0.79-0.93, P

Original languageEnglish
Pages (from-to)332-339
Number of pages8
JournalGiornale Italiano di Dermatologia e Venereologia
Volume151
Issue number4
Publication statusPublished - Aug 1 2016

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Systemic Scleroderma
Statistical Factor Analysis
Surveys and Questionnaires
Psychometrics
Inpatients
Outpatients

Keywords

  • Disability evaluation
  • Quality of life
  • Scleroderma
  • Surveys and questionnaires
  • Systemic

ASJC Scopus subject areas

  • Dermatology

Cite this

Measuring disability of women with systemic sclerosis : Validation of the Italian version of the Systemic Sclerosis Questionnaire. / Uras, Claudia; Giannantoni, Patrizia; Tabolli, Stefano; Di Giulio, Paola; Peghetti, Angela; Cianchini, Giuseppe; Abeni, Damiano.

In: Giornale Italiano di Dermatologia e Venereologia, Vol. 151, No. 4, 01.08.2016, p. 332-339.

Research output: Contribution to journalArticle

Uras, Claudia ; Giannantoni, Patrizia ; Tabolli, Stefano ; Di Giulio, Paola ; Peghetti, Angela ; Cianchini, Giuseppe ; Abeni, Damiano. / Measuring disability of women with systemic sclerosis : Validation of the Italian version of the Systemic Sclerosis Questionnaire. In: Giornale Italiano di Dermatologia e Venereologia. 2016 ; Vol. 151, No. 4. pp. 332-339.
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