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Cross-cultural translation, adaptation and validation of a Japanese version of the functional index for hand osteoarthritis (J-FIHOA).

ABSTRACT: BACKGROUND:Hand osteoarthritis (OA) has a wide spectrum of clinical presentations and physical function is one of the core domains where patients suffer. The Functional Index for Hand Osteoarthritis (FIHOA) is a leading assessment tool for hand OA-related functional impairment. Our objective was to make a Japanese version of FIHOA (J-FIHOA) and validate it among Japanese hand OA patients. METHODS:Forward and backward translation processes were completed to create a culturally adapted J-FIHOA. A prospective, observational multicenter study was undertaken for the validation process. Seventeen collaborating hospitals recruited Japanese hand OA patients who met the American College of Rheumatology criteria. A medical record review and responses to the following patient-rated questionnaires were collected: J-FIHOA, Hand20, Health Assessment Questionnaire (HAQ), numerical rating scale for pain (NRS pain) and Short Form 36 Health Survey (SF-36). We explored the structure of J-FIHOA using factor analysis. Cronbach's alpha coefficients and item-total correlations were calculated. Correlations between J-FIHOA and other questionnaires were evaluated for construct validity. Participants in clinically stable conditions repeated J-FIHOA at a one- to two-week interval to assess test-retest reliability. To evaluate responsiveness, symptomatic patients who started new pharmacological treatments had a 1-month follow-up visit and completed the questionnaires twice. Effect size (ES) and standardized response mean (SRM) were calculated with pre- and post-treatment data sets. We assessed responsiveness, comparing ES and SRM of J-FIHOA with other questionnaires (construct approach). RESULTS:A total of 210 patients participated. J-FIHOA had unidimensional structure. Cronbach's alphas (0.914 among females and 0.929 among males) and item-total correlations (range, 0.508 to 0.881) revealed high internal consistency. Hand20, which measures upper extremity disability, was strongly correlated with J-FIHOA (r =?0.82) while the mental and role-social components of SF-36 showed no correlations (r =?-?0.24 and?-?0.26, respectively). Intraclass correlation coefficient for test-retest reliability was 0.83 and satisfactory. J-FIHOA showed the highest ES and SRM (-?0.68 and?-?0.62, respectively) among all questionnaires, except for NRS pain. CONCLUSIONS:Our results showed J-FIHOA had good measurement properties to assess physical function in Japanese hand OA patients both for ambulatory follow-up in clinical practice, and clinical research and therapeutic trials.

SUBMITTER: Nakagawa Y

PROVIDER: S-EPMC7333425 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Cross-cultural translation, adaptation and validation of a Japanese version of the functional index for hand osteoarthritis (J-FIHOA).

Nakagawa Yasunobu Y Kurimoto Shigeru S Maheu Emmanuel E Matsui Yuichiro Y Kanno Yuri Y Menuki Kunitaka K Hayashi Masanori M Nemoto Tetsuya T Nishizuka Takanobu T Tatebe Masahiro M Yamamoto Michiro M Iwatsuki Katsuyuki K Dreiser Renée Liliane RL Hirata Hitoshi H

BMC musculoskeletal disorders 20200316 1

<h4>Background</h4>Hand osteoarthritis (OA) has a wide spectrum of clinical presentations and physical function is one of the core domains where patients suffer. The Functional Index for Hand Osteoarthritis (FIHOA) is a leading assessment tool for hand OA-related functional impairment. Our objective was to make a Japanese version of FIHOA (J-FIHOA) and validate it among Japanese hand OA patients.<h4>Methods</h4>Forward and backward translation processes were completed to create a culturally adap ...[more]

PMID: 32178665

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Project description:IntroductionFemale sexual dysfunction (FSD) is a common problem, and many self-report questionnaires are available for its evaluation. Pakistani women with sexual problems feel shy to consult with their physician. A validated self-report questionnaire, in the local language with modest expressions is required for these women.AimThe aim of this study was to translate, cross-culturally adapt, and perform a psychometric validation of an Urdu translation of the Female Sexual Function Index (FSFI).MethodsThe FSFI was translated in Urdu, and its precision was ascertained through reverse translation. It was pretested on 22 bilingual women and refined again to reach at a reliable Urdu version of the questionnaire FSFI-U. One hundred sixteen bilingual women, in a stable sexual relationship over the previous 6 months were finally asked to fill out the FSFI and FSFI-U. Their sexual function was then clinically evaluated and responses were compared with the clinical assessment as well as with each other.Main outcome measuresThe responses were analyzed through descriptive statistics for reliability, face validity, agreement between the responses to the original English version and to the FSFI-U, and also for test-retest consistency. The data were analyzed statistically using Cronbach's alpha analysis, Intraclass correlation coefficients, Pearson correlation, and Student's t-test.ResultsFSFI was found to be easily understandable and capable of adequately evaluating and measuring various aspects of female sexual function. A high degree of internal consistency was demonstrated on Cronbach's alpha analysis. Cronbach's α coefficient for various domains was sufficiently high ranging from 0.84 to 0.97. The clinical assessment of the presence and severity of FSD also matched with the self-report questionnaire. Similarly, various domains of FSFI had high degree of correlation in the Urdu version of FSFI (P < 0.001).ConclusionThe Urdu translation version of FSFI is valid and reliable for use in the literate population of Pakistan. Rehman KU, Asif Mahmood M, Sheikh SS, Sultan T, Khan MA. The Female Sexual Function Index (FSFI): Translation, Validation, and Cross-Cultural Adaptation of an Urdu Version "FSFI-U". Sex Med 2015;3:244-250.

Project description:The patient-rated Core Outcome Measures Index (COMI) assesses the multidimensional impact of back problems on the sufferer. The brevity and comprehensibility of the tool make it practical for use in clinical and research settings. Although the COMI has been cross-culturally adapted in various languages worldwide, there is currently no Japanese version. The aim of this study was to develop a Japanese version of the COMI by: (1) performing a cross-cultural adaptation of the English version and (2) evaluating the psychometric properties of the Japanese version of the COMI in Japanese volunteers with chronic back problems.The English version of the COMI was cross-culturally adapted for the Japanese language using established guidelines. The pre-final version was pilot-tested in five Japanese-speaking patients with low back pain (LBP) and a history of spine surgery. The psychometric properties of the Japanese COMI were tested in a group of 1052 individuals with chronic LBP (LBP ?3 months), aged 20-69 years, who were recruited through a web-based survey. The psychometric properties that were evaluated included convergent and known-group validity, using the following reference questionnaires: EuroQol 5 Dimension, Roland Morris Disability Questionnaire, Short Form 8™ Health Survey, and the Keele STarT Back Screening Tool.The pre-final version of the cross-culturally adapted Japanese COMI was completed without any major problems of understanding or acceptability. For the evaluation of its psychometric properties, tests for convergent validity showed moderate correlations between COMI items and the respective reference questionnaires for symptom-specific well-being [-?0.33--0.48] and disability domains [0.48] and strong correlations (>?0.5) for the other domains and the COMI summary score. The analysis of known-group validity showed a linear trend for the COMI score in relation to prognostic risk (P?<?0.001).The Japanese COMI retained conceptual equivalence to the original using comprehensible and acceptable Japanese expressions. We developed a Japanese version of the COMI that displayed qualities that support its convergent and known-group validity. The availability of a Japanese version of the COMI should allow for improved documentation of the care provided to patients with back problems.

Project description:BackgroundThe Lower Limb Functional Index (LLFI) is a relatively recently published regional outcome measure. The development article showed the LLFI had robust and valid clinimetric properties with sound psychometric and practical characteristics when compared to the Lower Limb Extremity Scale (LEFS) criterion standard.ObjectiveThe purpose of this study was cross cultural adaptation and validation of the LLFI Spanish-version (LLFI-Sp) in a Spanish population.MethodsA two stage observational study was conducted. The LLFI was initially cross-culturally adapted to Spanish through double forward and single backward translation; then subsequently validated for the psychometric characteristics of validity, internal consistency, reliability, error score and factor structure. Participants (n = 136) with various lower limb conditions of >12 weeks duration completed the LLFI-Sp, Western Ontario and McMaster University Osteoarthritis Index (WOMAC) and the Euroqol Health Questionnaire 5 Dimensions (EQ-5D-3 L). The full sample was employed to determine internal consistency, concurrent criterion validity, construct validity and factor structure; a subgroup (n = 45) determined reliability at seven days concurrently completing a global rating of change scale.ResultsThe LLFI-Sp demonstrated high but not excessive internal consistency (α = 0.91) and high reliability (ICC = 0.96). The factor structure was one-dimensional which supported the construct validity. Criterion validity with the WOMAC was strong (r = 0.77) and with the EQ-5D-3 L fair and inversely correlated (r = -0.62). The study limitations included the lack of longitudinal data and the determination of responsiveness.ConclusionsThe LLFI-Sp supports the findings of the original English version as being a valid lower limb regional outcome measure. It demonstrated similar psychometric properties for internal consistency, validity, reliability, error score and factor structure.

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Dataset Information

Cross-cultural translation, adaptation and validation of a Japanese version of the functional index for hand osteoarthritis (J-FIHOA).

Publications

Cross-cultural translation, adaptation and validation of a Japanese version of the functional index for hand osteoarthritis (J-FIHOA).

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