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KMID : 0358820110380030245
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2011 Volume.38 No. 3 p.245 ~ p.250
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Evaluation of Reliability and Validity of the Louisville Instrument for Transplantation (LIFT) in Korean Population
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Kim Hong-Min
Kim Ji-Hoon
Hwang Jae-Ha
Kim Kwang-Seog
Lee Sam-Yong
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Abstract
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Purpose: Composite tissue allotransplantation has emerged as a new therapeutic modality to reconstruct major tissue defects of the head, neck and extremities. A questionnaire-based instrument, the Louisville Instrument for Transplantation (LIFT), has been developed to objectively assess the risk-versus-benefit ratio for composite tissue allotransplantation procedures. The objective of this study is to assess if the LIFT is a useful, reliable and valid tool to apply to the Korean population.
Methods: Seventy-three medical students and 60 lay public completed the LIFT questionnaire (translated to Korean) over the period from February 2010 to April 2010. Internal consistency was assessed using Cronbach’s alpha. Test-retest reliability was analyzed using Pearson’s correlation coefficient. Construct validity was assessed by comparing Pearson’s correlation coefficients between perceived improvements in quality of life and responses to risk tolerance questions concerning organ transplants.
Results: Measurements of the test-retest reliability showed that Pearson’s correlation coefficients ranged from 0.241 to 0.902, and Cronbach’s alphas ranged from 0.52 to 0.80 for medical students and from 0.63 to 0.83 for the lay public. Pearson’s correlation coefficients showed significant correlations between perceived improvements in quality of life and responses to risk tolerance questions concerning organ transplants. Hand transplant showed a significant correlation in medical students. Foot, hand, two hands, larynx, partial face transplants showed significant correlations for the lay public.
Conclusion: The applicability of the LIFT to the Korean population was found to be reliable and valid. The LIFT may serve as a useful tool for clinical application in the Korean population.
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KEYWORD
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Composite tissue allotransplantation, Reliability, Validity, Cronbach’s alpha, Pearson’s correlation coefficient
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