Korean version of the functional assessment of cancer therapy (FACT)-vanderbilt cystectomy index (VCI): Translation and linguistic validation

Myong Kim, Hahn Ey Lee, Sung Han Kim, Sung Yong Cho, Seong Jin Jeong, Seung June Oh, Michael S. Cookson, Ja Hyeon Ku

Research output: Contribution to journalArticlepeer-review

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Purpose: To develop a Korean version of the Functional Assessment of Cancer Therapy (FACT)-Vanderbilt Cystectomy Index (VCI) from the original English version, with subsequent linguistic validationin Korean patients who underwent radical cystectomy with urinary diversion. Materials and Methods: Translation and linguistic validation were carriedout between January and May of 2013, which consisted of the following stages:(1) permission for translation;(2) forward translation;(3) reconciliation;(4) backward translation;(5) cognitived ebriefing and(6) final proof-reading. Results: During the forward translation phases,word ssuch as "bother","spend time", "support", "coping" and "concern" were adjusted to be more comprehensible to the target population. There conciled Korean version was accepted without certain objections because the original version and the backward translation were almost congruent exceptfor minor differences in a subset of questions. The translation was tested using 5 Korean-speaking subjects. The subjects took an average of 8.2 minutes to complete the questionnaire, without difficulty and found thequestionnaire clear andeasyto understand. The panel discussed each of the issues raised by subjects and most terms were judged by the panel as to not require further changes because the overall comprehension levels were relatively high and because the translated terms were accurately rendered in the target languages. Conclusion: This report has demonstrated that despite translation difficulties, the linguistic validation of the FACT-VCIin the Korean language was successful. The next step is to assess the psychometric properties of the Korean version of FACT-VCI.

Original languageEnglish
Pages (from-to)1961-1967
Number of pages7
JournalUrology Journal
Issue number6
StatePublished - 2014


  • Cystectomy
  • Linguistics
  • Psychometrics
  • Quality of life
  • Questionnaires
  • Reproducibility of results
  • Urinary bladder neoplasms


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