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KMID : 1170320130190020001
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Korean Journal of Health Economics and Policy
2013 Volume.19 No. 2 p.1 ~ p.20
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Utilities for prostate cancer by cancer stage and treatment step in Korea
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Kim Youn-Hee
Hwang Jin-Seub
Ahn Jeong-Hoon
Lee Sang-Moo
Lee Yoon-Jae
Shin Sang-Jin
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Abstract
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This study was conducted to estimate the quality of life of the prostate cancer patients by cancer stage and treatment step in South Korea. Health scenarios including clinical symptoms and treatment complications that the prostate cancer patients may experience were developed through discussion with clinical experts and Korean Urological Association. A face-to-face survey using Time-Trade Off (TTO) to each imaginary health scenario was administered to 160 male subjects to measure the preference of general public. The results showed that the utility index was estimated to be 0.727 at the first year of treatment and 0.653 at the second year after local cancer diagnosis, 0.545 at the first year and 0.451 at the second year after locally advanced cancer diagnosis. For metastatic cancer diagnosis, the utility index was 0.321 in the first year and 0.149 in the second year. The utility index decreased by cancer stage, and it was lower in the management and follow up period than in intensive treatment period. Caution is needed to estimate the utility index by asking the general public using imaginary health scenarios, especially, about complex health status. The study would encourage discussion about estimating utility index for use of economic evaluation among health care researchers.
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KEYWORD
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prostate cancer, quality of life, utility index, time trade off (TTO), economic evaluation
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