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The Italian Spine Youth Quality of Life questionnaire: reliability and validity of the Persian version in adolescents with spinal deformities

Spine Deformity volume 10, pages 775–782 (2022)Cite this article

Abstract

Purpose

To assess the reliability and validity of the Persian version of the Italian Spine Youth Quality of Life (P-ISYQOL) questionnaire.

Methods

Forward/backward translations and cultural adaption processes of the ISYQOL questionnaire into Persian were conducted by an expert committee. We recruited 178 adolescents with idiopathic scoliosis (AIS) and Scheuermann’s kyphosis (SK) and 103 age-matched adolescents with no spinal deformity. Reliability was assessed by evaluating internal consistency and test–retest reliability using Cronbach’s alpha and intraclass correlation coefficient (ICC). Convergent construct validity was assessed by measuring the association between the ISYQOL and revised 22-item Scoliosis Research Society (SRS-22r) questionnaires scores. Known-groups construct validity was assessed regarding curve magnitude, deformity, age, sex, and treatment type.

Results

Cronbach’s alpha and ICC for P-ISYQOL total score was 0.8 and 0.9, respectively. An acceptable association was observed between P-ISYQOL and SRS-22r total scores (r = − 0.5, p < 0.01). The P-ISYQOL could discriminate between adolescents with spinal deformities and adolescents with no spinal deformity as well as those with different types of deformity and treatment (p < 0.01).

Conclusions

The P-ISYQOL is a reliable and valid survey to assess the outcomes of adolescents with spinal deformities.

Level of evidence

Level I—diagnostic studies.

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Data availability

Not applicable.

Code availability

97000112.

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Funding

There is no financial funding in the manuscript.

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Authors and Affiliations

  1. Rehabilitation Research Center, Department of Orthotics and Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran

    Taher Babaee, Naeimeh Rouhani, Marjan Saeedi, Zahra Hedayati & Maryam Jalali

  2. Graduate Program in Rehabilitation Sciences, University of British Columbia, Vancouver, BC, Canada

    Elham Esfandiari

  3. Neuroscience Research Center, Institute of Neuropharmacology, Department of Rehabilitation, Faculty of Allied Medicine, Kerman University of Medical Sciences, Medical University Campus, Haft-Bagh Highway, Kerman, Iran

    Masoomeh Nakhaee

  4. Iran-Helal Institute of Applied Science and Technology, Tehran, Iran

    Vahideh Moradi

Authors
  1. Taher Babaee
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  2. Elham Esfandiari
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  3. Naeimeh Rouhani
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  4. Masoomeh Nakhaee
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  5. Marjan Saeedi
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  6. Zahra Hedayati
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Contributions

TB, EE, NR, MN, MS, ZH, MJ, VM: conception or design, acquisition, analysis, or interpretation. TB, EE, NR, MN, MS, ZH, MJ, VM: draft or revision of work. TB, EE, NR, MN, MS, ZH, MJ, VM: approved the version to be published. TB, EE, NR, MN, MS, ZH, MJ, VM: agree to be accountable for all aspects of the work.

Corresponding author

Correspondence to Masoomeh Nakhaee.

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Conflict of interest

There is no conflict of interest about the study.

Ethical approval

The study protocol was approved by the research ethics committee of Kerman University of Medical Sciences (IR.KUMS.REC.1399.264). The manuscript submitted does not contain information about medical device(s)/drug(s).

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Babaee, T., Esfandiari, E., Rouhani, N. et al. The Italian Spine Youth Quality of Life questionnaire: reliability and validity of the Persian version in adolescents with spinal deformities. Spine Deform 10, 775–782 (2022). https://doi.org/10.1007/s43390-022-00475-y

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  • DOI: https://doi.org/10.1007/s43390-022-00475-y

Keywords

  • Adolescent idiopathic scoliosis
  • Scheuermann’s kyphosis
  • Reliability
  • Validity
  • Quality of life
  • Brace
  • Questionnaire