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Cross-cultural adaptation and validation of Persian Achilles tendon Total Rupture Score

Knee Surgery, Sports Traumatology, Arthroscopy volume 24, pages 1372–1380 (2016)Cite this article

Abstract

Purpose

To cross-culturally adapt the Achilles tendon Total Rupture Score (ATRS) to Persian language and to preliminary evaluate the reliability and validity of a Persian ATRS.

Methods

A cross-sectional and prospective cohort study was conducted to translate and cross-culturally adapt the ATRS to Persian language (ATRS-Persian) following steps described in guidelines. Thirty patients with total Achilles tendon rupture and 30 healthy subjects participated in this study. Psychometric properties of floor/ceiling effects (responsiveness), internal consistency reliability, test–retest reliability, standard error of measurement (SEM), smallest detectable change (SDC), construct validity, and discriminant validity were tested. Factor analysis was performed to determine the ATRS-Persian structure.

Results

There were no floor or ceiling effects that indicate the content and responsiveness of ATRS-Persian. Internal consistency was high (Cronbach’s α 0.95). Item–total correlations exceeded acceptable standard of 0.3 for the all items (0.58–0.95). The test–retest reliability was excellent [(ICC)agreement 0.98]. SEM and SDC were 3.57 and 9.9, respectively. Construct validity was supported by a significant correlation between the ATRS-Persian total score and the Persian Foot and Ankle Outcome Score (PFAOS) total score and PFAOS subscales (r = 0.55–0.83). The ATRS-Persian significantly discriminated between patients and healthy subjects. Explanatory factor analysis revealed 1 component.

Conclusion

The ATRS was cross-culturally adapted to Persian and demonstrated to be a reliable and valid instrument to measure functional outcomes in Persian patients with Achilles tendon rupture.

Level of evidence

II.

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Acknowledgments

The authors wish to thank the translators, expert committee members, and all subjects who participated in this study. The authors also would like to thank Research Deputy, Tehran University of Medical Sciences for supporting this study.

Author information

Affiliations

  1. Department of Physiotherapy, School of Rehabilitation, Tehran University of Medical Sciences, Enghelab Ave, Pitch-e-shemiran, Tehran, 11489, Iran

    Noureddin Nakhostin Ansari, Soofia Naghdi, Sahar Hasanvand & Zahra Fakhari

  2. Sports Medicine Research Centre, Tehran University of Medical Sciences, Tehran, Iran

    Ramin Kordi

  3. Department of Orthopaedic, Sahlgrenska Academy, Gothenburg University, Kungsbacka Hospital Tölövägen 5, 434 40, Kungsbacka, Sweden

    Katarina Nilsson-Helander

Authors
  1. Noureddin Nakhostin Ansari
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  2. Soofia Naghdi
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  3. Sahar Hasanvand
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  4. Zahra Fakhari
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  5. Ramin Kordi
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  6. Katarina Nilsson-Helander
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Corresponding author

Correspondence to Noureddin Nakhostin Ansari.

Appendix: Persian Achilles tendon Total Rupture Score

Appendix: Persian Achilles tendon Total Rupture Score

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Ansari, N.N., Naghdi, S., Hasanvand, S. et al. Cross-cultural adaptation and validation of Persian Achilles tendon Total Rupture Score. Knee Surg Sports Traumatol Arthrosc 24, 1372–1380 (2016). https://doi.org/10.1007/s00167-015-3977-x

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  • DOI: https://doi.org/10.1007/s00167-015-3977-x

Keywords

  • Achilles tendon rupture
  • ATRS
  • Cross-cultural
  • Persian
  • Reliability
  • Validity