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KMID : 0939920180500010204
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대한암학회지
2018 Volume.50 No. 1 p.204 ~ p.211
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Validation of the Korean Version of the Quality of Life?Cancer Survivors (QOL-CS-K) Questionnaire in Lymphoma Survivors
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Cho Ju-Hee
Kang Dan-Bee
Kim Im-Ryung
Kim Won-Seog
Ferrell Betty R.
Kim Seok-Jin
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Abstract
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Purpose: The objective of this study was to validate the Korean version of the Quality of Life?Cancer Survivors (QOL-CS-K) in a sample of lymphoma survivors.
Materials and Methods: We conducted a cross-sectional survey of lymphoma survivors who had survived for at least 24 months since diagnosis. Participants were recruited at the outpatient clinics and at a hospital event in a tertiary hospital in Seoul, Korea. Survivors were asked to complete the QOL-CS-K and the European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire (EORTC QLQ-C30) questionnaires. To determine test-retest reliability, a second questionnaire was sent to participants who completed the first questionnaire adequately. Exploratory factor analysis and Pearson’s correlations were used for evaluating reliability and validity of the QOL-CS-K.
Results: Among 257 survivors, 245 (95.3%) completed all questionnaires and had no missing data. The mean age of study participants was 52.2 years, 54.9% were men, and the mean time since diagnosis was 4.0±1.6 years. The Cronbach’s α for the overall QOL-CS-K was 0.90, and the α coefficients for each subscale ranged from 0.73 to 0.83. The test and retest reliability was 0.88. Moderate correlations were found between comparable subscales of the QOL-CS-K and subscales of the EORTC QLQ-C30 (r=0.51-0.55) except for the spiritual well-being subscale of the QOL-CS-K, which did not correlate with any of the EORTC QLQ-C30 subscales (?0.08 to 0.16).
Conclusion: The QOL-CS-K is a reliable and valid scale for measuring the QOL in long-term lymphoma survivors.
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KEYWORD
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Survival, Quality of life, Lymphoma, Validation studies
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