Health and quality of life outcomes · 2012
Psychometric evaluation of the Taiwan Chinese version of the EORTC QLQ-PR25 for HRQOL assessment in prostate cancer patients.
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Chang Yu-Jun, Liang Wen-Miin, Wu Hsi-Chin, Lin Hsueh-Chun, Wang Jong-Yi, Li Tsai-Chung, Yeh Yi-Chun, Chang Chih-Hung
Аннотация
OBJECTIVE: To evaluate the psychometric properties of the Taiwan Chinese Version of the EORTC QLQ-PR25 health-related quality of life (HRQOL) questionnaire for patients with prostate cancer.
METHODS: 135 prostate cancer patients were recruited in the urology outpatient clinic of a university teaching hospital. Each patient completed the EORTC QLQ-PR25 at every clinic visit between 2004 and 2008, totaling 633 assessments. Confirmatory factor analysis and Rasch analysis were used to evaluate the domain- and item-level psychometric properties.
RESULTS: The results supported the unidimensionality of each of the four EORTC QLQ-PR25 domains (urinary, bowel, and hormonal-treatment-related symptoms, and sexual functioning). Item calibrations for each domain were found invariant across the three assessment time periods. The item-person maps showed 71.3% of item coverage for the urinary symptoms domain and 13-42.7% for the other three domains.
CONCLUSIONS: The Taiwan Chinese Version of the EORTC QLQ-PR25 questionnaire is reliable and can be used to measure HRQOL over time. Adding new items to each domain may improve its clinical content coverage and measurement precision.
METHODS: 135 prostate cancer patients were recruited in the urology outpatient clinic of a university teaching hospital. Each patient completed the EORTC QLQ-PR25 at every clinic visit between 2004 and 2008, totaling 633 assessments. Confirmatory factor analysis and Rasch analysis were used to evaluate the domain- and item-level psychometric properties.
RESULTS: The results supported the unidimensionality of each of the four EORTC QLQ-PR25 domains (urinary, bowel, and hormonal-treatment-related symptoms, and sexual functioning). Item calibrations for each domain were found invariant across the three assessment time periods. The item-person maps showed 71.3% of item coverage for the urinary symptoms domain and 13-42.7% for the other three domains.
CONCLUSIONS: The Taiwan Chinese Version of the EORTC QLQ-PR25 questionnaire is reliable and can be used to measure HRQOL over time. Adding new items to each domain may improve its clinical content coverage and measurement precision.
Предметные рубрики MeSH
AgedAged, 80 and overFactor Analysis, StatisticalFemaleGeriatric AssessmentHumansMaleNeurogenic BowelOutcome Assessment, Health CareProstatic NeoplasmsPsychometricsQuality Indicators, Health CareQuality of LifeReproducibility of ResultsSexual Dysfunction, PhysiologicalSickness Impact ProfileSurveys and QuestionnairesTaiwanTranslatingTreatment OutcomeUrinary Incontinence