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Validation of the Korean version of the Oxford Knee Score in patients undergoing total knee arthroplasty.
Clin Orthop Relat Res. 2013 Feb; 471(2):600-5.CO

Abstract

BACKGROUND

Although translated versions of the Oxford Knee Score (OKS) in several languages are available, the absence of a Korean version precludes comparing data from Korea with that from other countries using the OKS.

QUESTIONS/PURPOSES

We therefore evaluated the reliability and validity of the adapted Korean version of the OKS.

METHODS

We first translated the English version of the OKS into Korean, then back into English, then held expert committee discussions to finalize the Korean version. We then mailed the Korean version of the VAS for pain, OKS, and the previously validated SF-36 to 142 patients who underwent TKAs for knee osteoarthritis. Factor analysis and reliability assessment using the kappa statistic of agreement for each item, the intraclass correlation coefficient, and Cronbach's alpha were conducted. To determine the subscales of the OKS, we used the factor analysis. We also evaluated concurrent and construct validity by comparing the responses to the OKS with the results of the VAS and SF-36 using Pearson's correlation coefficient.

RESULTS

All items had a kappa statistic of agreement greater than 0.6. The OKS showed test and retest reliability as follows: OKS, 0.848; Factor 1, 0.867; and Factor 2, 0.819. Internal consistency of Cronbach's alpha was as follows: OKS, 0.932; Factor 1, 0.907; Factor 2, 0.867. The OKS correlated (r = 0.692) with the VAS. The Korean version of the OKS correlated with the SF-36 total and individual domain (physical functioning, role physical, bodily pain) scores.

CONCLUSIONS

The adapted Korean version of the OKS was translated and showed acceptable measurement properties. The data suggest it is suitable for assessing outcomes in Korean-speaking patients having TKAs.

Authors+Show Affiliations

Department of Orthopaedic Surgery, Busan Medical Center, Busan, South Korea.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Validation Study

Language

eng

PubMed ID

22965258

Citation

Eun, Il Soo, et al. "Validation of the Korean Version of the Oxford Knee Score in Patients Undergoing Total Knee Arthroplasty." Clinical Orthopaedics and Related Research, vol. 471, no. 2, 2013, pp. 600-5.
Eun IS, Kim OG, Kim CK, et al. Validation of the Korean version of the Oxford Knee Score in patients undergoing total knee arthroplasty. Clin Orthop Relat Res. 2013;471(2):600-5.
Eun, I. S., Kim, O. G., Kim, C. K., Lee, H. S., & Lee, J. S. (2013). Validation of the Korean version of the Oxford Knee Score in patients undergoing total knee arthroplasty. Clinical Orthopaedics and Related Research, 471(2), 600-5. https://doi.org/10.1007/s11999-012-2564-4
Eun IS, et al. Validation of the Korean Version of the Oxford Knee Score in Patients Undergoing Total Knee Arthroplasty. Clin Orthop Relat Res. 2013;471(2):600-5. PubMed PMID: 22965258.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Validation of the Korean version of the Oxford Knee Score in patients undergoing total knee arthroplasty. AU - Eun,Il Soo, AU - Kim,Ok Gul, AU - Kim,Chang Kyu, AU - Lee,Hong Seok, AU - Lee,Jung Sub, Y1 - 2012/09/11/ PY - 2012/03/19/received PY - 2012/08/14/accepted PY - 2012/9/12/entrez PY - 2012/9/12/pubmed PY - 2013/5/29/medline SP - 600 EP - 5 JF - Clinical orthopaedics and related research JO - Clin. Orthop. Relat. Res. VL - 471 IS - 2 N2 - BACKGROUND: Although translated versions of the Oxford Knee Score (OKS) in several languages are available, the absence of a Korean version precludes comparing data from Korea with that from other countries using the OKS. QUESTIONS/PURPOSES: We therefore evaluated the reliability and validity of the adapted Korean version of the OKS. METHODS: We first translated the English version of the OKS into Korean, then back into English, then held expert committee discussions to finalize the Korean version. We then mailed the Korean version of the VAS for pain, OKS, and the previously validated SF-36 to 142 patients who underwent TKAs for knee osteoarthritis. Factor analysis and reliability assessment using the kappa statistic of agreement for each item, the intraclass correlation coefficient, and Cronbach's alpha were conducted. To determine the subscales of the OKS, we used the factor analysis. We also evaluated concurrent and construct validity by comparing the responses to the OKS with the results of the VAS and SF-36 using Pearson's correlation coefficient. RESULTS: All items had a kappa statistic of agreement greater than 0.6. The OKS showed test and retest reliability as follows: OKS, 0.848; Factor 1, 0.867; and Factor 2, 0.819. Internal consistency of Cronbach's alpha was as follows: OKS, 0.932; Factor 1, 0.907; Factor 2, 0.867. The OKS correlated (r = 0.692) with the VAS. The Korean version of the OKS correlated with the SF-36 total and individual domain (physical functioning, role physical, bodily pain) scores. CONCLUSIONS: The adapted Korean version of the OKS was translated and showed acceptable measurement properties. The data suggest it is suitable for assessing outcomes in Korean-speaking patients having TKAs. SN - 1528-1132 UR - https://www.unboundmedicine.com/medline/citation/22965258/Validation_of_the_Korean_version_of_the_Oxford_Knee_Score_in_patients_undergoing_total_knee_arthroplasty_ L2 - https://link.springer.com/article/10.1007/s11999-012-2564-4 DB - PRIME DP - Unbound Medicine ER -