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KMID : 0359920080270010078
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Korean Journal of Nephrology
2008 Volume.27 No. 1 p.78 ~ p.84
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The Reliability and the Validity of Health Related QOL Measurement Method in Hemodialysis Patients
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Kim Hyun-Sock
Lee Kyu-Beck
Lee Yong-Su
Kim Hyang
Suh Byung-Seong
Lim Se-Won
Shin Ho-Chul
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Abstract
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Purpose: It is necessary to confirm of the reliability and the validity of health-related quality of life (HRQOL) methods, because there could be some difference according to the underlying diseases, languages and cultures.
Methods : To assess the reliability, we did the test-retest by using the WHO-QOL (Korean version) and the SF-36 (Korean version) in the maintain hemodialysis (HD) patients (N=57). And then, we measured the Cronbach coefficient in the domains of both HRQOL methods. To assess the validity, we compared the result of both HRQOL methods in HD group with control group (N=60). We analyzed the inter-relationship of the domains which keep identical meanings in both methods.
Results: 1. The test-retest showed high correlation between two tests, except the two domains of SF-36 which are the role limitation-physical activity (RP) domain and the role limitation-emotion (RE) domain. The Cronbach coefficients are range of 0.749-0.862 in the WHO-QOL, and 0.666-0.944 in the SF-36 (p<0.05). 2. We found that HRQOL of HD group was lower than that of control group except in the RP domain and the RE domain of SF-36. And there was the highest correlation between the domains which keep identical meaning of both HRQOL methods.
Conclusion: The Korean WHO-QOL and SF-36 are reliable and valid to measure the QOL of ESRD patients except in the RP domain and the RE domain of SF-36. We expect these methods will be used easily in the evaluation of the HRQOL in HD patients.
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KEYWORD
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Quality of life, Hemodialysis
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