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Original Articles
Estimation of Utility Weights for Prostate-related Health States in Korea
Seon-Ha Kim, Minsu Ock, Min-Woo Jo, Sungchan Park
J Prev Med Public Health. 2022;55(3):243-252.   Published online May 4, 2022
DOI: https://doi.org/10.3961/jpmph.21.426
  • 2,780 View
  • 91 Download
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
Very limited previous research has investigated the utility weights of prostate-related diseases in the general population in Korea. The purpose of this study was to calculate the utility of prostate-related health states in the Korean general public using the standard gamble (SG) method.
Methods
Seven health states for hypothetical prostate cancers, 1 for benign prostate hyperplasia, and 1 for erectile dysfunction were developed based on patient education material and previous publications. In total, 460 responses from the Korean general population were used to analyze the utility of prostate-related health states. Computer-assisted personal interviews were conducted, and utility values were measured using a visual analogue scale (VAS) and SG. Mean utility values were calculated for each prostate-related health state.
Results
The mean utility values of prostate cancer derived from SG ranged from 0.281 (metastatic castration-refractory prostate cancer) to 0.779 (localized prostate cancer requiring prostatectomy). The utility value of benign prostate hyperplasia was 0.871, and that of erectile dysfunction was 0.812. The utility values obtained using the SG method in all conditions were higher than the values obtained by VAS. There were no significant demographic variables affecting utility values in multivariate analysis.
Conclusions
Our findings might be useful for economic evaluation and utility calculation of screening and interventions for prostate-related conditions in the general population.
Summary
Korean summary
이 연구는 일반인구집단을 대상으로 7개의 전립선 암 상태와 전립선 비대증, 발기부전상태의 효용값을 표준기회선택법을 이용하여 산출하였다. 전립선암 상태에 따라 평균 효용값은 0.281에서 0.779범위였다. 연구 결과는 전립선 관련 상태의 중재의 효용 계산이나 경제성 평가에 활용할 수 있을 것이다.
Exploratory Study of Dimensions of Health-related Quality of Life in the General Population of South Korea
Seon-Ha Kim, Min-Woo Jo, Minsu Ock, Sang-il Lee
J Prev Med Public Health. 2017;50(6):361-368.   Published online November 2, 2017
DOI: https://doi.org/10.3961/jpmph.16.076
  • 9,066 View
  • 229 Download
  • 11 Crossref
AbstractAbstract PDFSupplementary Material
Objectives
This study aimed to explore dimensions in addition to the 5 dimensions of the 5-level EQ-5D version (EQ-5D-5L) that could satisfactorily explain variation in health-related quality of life (HRQoL) in the general population of South Korea.
Methods
Domains related to HRQoL were searched through a review of existing HRQoL instruments. Among the 28 potential dimensions, the 5 dimensions of the EQ-5D-5L and 7 additional dimensions (vision, hearing, communication, cognitive function, social relationships, vitality, and sleep) were included. A representative sample of 600 subjects was selected for the survey, which was administered through face-to-face interviews. Subjects were asked to report problems in 12 health dimensions at 5 levels, as well as their self-rated health status using the EuroQol visual analogue scale (EQ-VAS) and a 5-point Likert scale. Among subjects who reported no problems for any of the parameters in the EQ-5D-5L, we analyzed the frequencies of problems in the additional dimensions. A linear regression model with the EQ-VAS as the dependent variable was performed to identify additional significant dimensions.
Results
Among respondents who reported full health on the EQ-5D-5L (n=365), 32% reported a problem for at least 1 additional dimension, and 14% reported worse than moderate self-rated health. Regression analysis revealed a R2 of 0.228 for the original EQ-5D-5L dimensions, 0.200 for the new dimensions, and 0.263 for the 12 dimensions together. Among the added dimensions, vitality and sleep were significantly associated with EQ-VAS scores.
Conclusions
This study identified significant dimensions for assessing self-rated health among members of the general public, in addition to the 5 dimensions of the EQ-5D-5L. These dimensions could be considered for inclusion in a new preference-based instrument or for developing a country-specific HRQoL instrument.
Summary

Citations

Citations to this article as recorded by  
  • Developing and testing culturally relevant bolt-on items for EQ-5D-5L in Chinese populations: a mixed-methods study protocol
    Zhuxin Mao, Jingzhi Fan, Fanni Rencz, Zhihao Yang, Nan Luo, Pei Wang
    BMJ Open.2024; 14(1): e081140.     CrossRef
  • Population Norms for the EQ-5D-5L, PROPr and SF-6D in Hungary
    Anna Nikl, Mathieu F. Janssen, Balázs Jenei, Valentin Brodszky, Fanni Rencz
    PharmacoEconomics.2024; 42(5): 583.     CrossRef
  • Patient-reported burden of myasthenia gravis: baseline results of the international prospective, observational, longitudinal real-world digital study MyRealWorld-MG
    Sarah Dewilde, Glenn Philips, Sandra Paci, Jon Beauchamp, Silvia Chiroli, Casey Quinn, Laura Day, Mark Larkin, Jacqueline Palace, Sonia Berrih-Aknin, Kristl G Claeys, Srikanth Muppidi, Renato Mantegazza, Francesco Saccà, Andreas Meisel, Guillaume Bassez,
    BMJ Open.2023; 13(1): e066445.     CrossRef
  • Influence of body shape on health-related quality of life in Korean adults: The mediating effect of self-rated health
    Eun Sil Her, Jung Kyu Park, Yun Kyoung Oh, Hsin-Yen Yen
    PLOS ONE.2023; 18(10): e0293286.     CrossRef
  • A Review of the Types and Characteristics of Healthy Life Expectancy and Methodological Issues
    Young-Eun Kim, Yoon-Sun Jung, Minsu Ock, Seok-Jun Yoon
    Journal of Preventive Medicine and Public Health.2022; 55(1): 1.     CrossRef
  • Meaning and Status of Health-related Quality of Life Recognized by Medical Professionals: a Qualitative Study
    Jeehee Pyo, Minsu Ock, Bohyun Park, Nam-eun Kim, Eun Jeong Choi, Hyesook Park, Hyeong Sik Ahn
    Journal of Korean Medical Science.2021;[Epub]     CrossRef
  • Methods Used to Identify, Test, and Assess Impact on Preferences of Bolt-Ons: A Systematic Review
    Alexandra J.L.M. Geraerds, Gouke J. Bonsel, Mathieu F. Janssen, Aureliano Paolo Finch, Suzanne Polinder, Juanita A. Haagsma
    Value in Health.2021; 24(6): 901.     CrossRef
  • Patient-reported impact of myasthenia gravis in the real world: protocol for a digital observational study (MyRealWorld MG)
    Sonia Berrih-Aknin, Kristl G Claeys, Nancy Law, Renato Mantegazza, Hiroyuki Murai, Francesco Saccà, Sarah Dewilde, Mathieu F Janssen, Emma Bagshaw, Hara Kousoulakou, Mark Larkin, Jon Beauchamp, Trevor Leighton, Sandra Paci
    BMJ Open.2021; 11(7): e048198.     CrossRef
  • The Association between Alcohol Drinking Patterns and Health-Related Quality of Life in the Korean Adult Population: Effects of Misclassification Error on Estimation of Association
    Eun Sook Lee, Boyoung Kim
    International Journal of Environmental Research and Public Health.2020; 17(21): 7758.     CrossRef
  • Quality of life in patients receiving percutaneous coronary intervention and optimal medical therapy in Ho Chi Minh City, Vietnam
    Thao Thanh Nguyen, Quyen Gia To, Anh Do Nguyen, Tien The Nguyen, Van-Anh Ngoc Huynh, Kien Gia To
    MedPharmRes.2020; 4(4): 1.     CrossRef
  • A systematic review of the development and testing of additional dimensions for the EQ-5D descriptive system
    Krittaphas Kangwanrattanakul, Wiraphol Phimarn
    Expert Review of Pharmacoeconomics & Outcomes Research.2019; 19(4): 431.     CrossRef
Development and Validation of a Novel Generic Health-related Quality of Life Instrument With 20 Items (HINT-20)
Min-Woo Jo, Hyeon-Jeong Lee, Soo Young Kim, Seon-Ha Kim, Hyejung Chang, Jeonghoon Ahn, Minsu Ock
J Prev Med Public Health. 2017;50(1):38-59.   Published online January 10, 2017
DOI: https://doi.org/10.3961/jpmph.16.081
  • 8,846 View
  • 215 Download
  • 6 Crossref
AbstractAbstract PDFSupplementary Material
Objectives
Few attempts have been made to develop a generic health-related quality of life (HRQoL) instrument and to examine its validity and reliability in Korea. We aimed to do this in our present study.
Methods
After a literature review of existing generic HRQoL instruments, a focus group discussion, in-depth interviews, and expert consultations, we selected 30 tentative items for a new HRQoL measure. These items were evaluated by assessing their ceiling effects, difficulty, and redundancy in the first survey. To validate the HRQoL instrument that was developed, known-groups validity and convergent/discriminant validity were evaluated and its test-retest reliability was examined in the second survey.
Results
Of the 30 items originally assessed for the HRQoL instrument, four were excluded due to high ceiling effects and six were removed due to redundancy. We ultimately developed a HRQoL instrument with a reduced number of 20 items, known as the Health-related Quality of Life Instrument with 20 items (HINT-20), incorporating physical, mental, social, and positive health dimensions. The results of the HINT-20 for known-groups validity were poorer in women, the elderly, and those with a low income. For convergent/discriminant validity, the correlation coefficients of items (except vitality) in the physical health dimension with the physical component summary of the Short Form 36 version 2 (SF-36v2) were generally higher than the correlations of those items with the mental component summary of the SF-36v2, and vice versa. Regarding test-retest reliability, the intraclass correlation coefficient of the total HINT-20 score was 0.813 (p<0.001).
Conclusions
A novel generic HRQoL instrument, the HINT-20, was developed for the Korean general population and showed acceptable validity and reliability.
Summary

Citations

Citations to this article as recorded by  
  • A Review of the Types and Characteristics of Healthy Life Expectancy and Methodological Issues
    Young-Eun Kim, Yoon-Sun Jung, Minsu Ock, Seok-Jun Yoon
    Journal of Preventive Medicine and Public Health.2022; 55(1): 1.     CrossRef
  • Health-Related Quality of Life (HRQOL) Instruments and Mobility: A Systematic Review
    Natalia Hernández-Segura, Alba Marcos-Delgado, Arrate Pinto-Carral, Tania Fernández-Villa, Antonio J. Molina
    International Journal of Environmental Research and Public Health.2022; 19(24): 16493.     CrossRef
  • Concepts of Health-Related Quality of Life of Australian Aboriginal and Torres Strait Islander Children: Parent Perceptions
    Kaley Butten, Peter A. Newcombe, Anne B. Chang, Jeanie K. Sheffield, Kerry-Ann F. O’Grady, Newell W. Johnson, Neil King, Maree Toombs
    Applied Research in Quality of Life.2021; 16(4): 1653.     CrossRef
  • Meaning and Status of Health-related Quality of Life Recognized by Medical Professionals: a Qualitative Study
    Jeehee Pyo, Minsu Ock, Bohyun Park, Nam-eun Kim, Eun Jeong Choi, Hyesook Park, Hyeong Sik Ahn
    Journal of Korean Medical Science.2021;[Epub]     CrossRef
  • Validity and reliability of the Health-Related Quality of Life Instrument with 8 Items (HINT-8) in Korean breast cancer patients
    Juyoung Kim, Min-Woo Jo, Hyeon-Jeong Lee, Sei-Hyun Ahn, Byung Ho Son, Jong Won Lee, Sae Byul Lee
    Osong Public Health and Research Perspectives.2021; 12(4): 254.     CrossRef
  • Developing a comprehensive, culturally sensitive conceptual framework of health domains in Singapore
    Julian Thumboo, Mandy Y. L. Ow, Elenore Judy B. Uy, Xiaohui Xin, Zi Ying Clarice Chan, Sharon C. Sung, Dianne Carrol Bautista, Yin Bun Cheung, Xiang Li
    PLOS ONE.2018; 13(6): e0199881.     CrossRef
Assessing Reliability of Medical Record Reviews for the Detection of Hospital Adverse Events
Minsu Ock, Sang-il Lee, Min-Woo Jo, Jin Yong Lee, Seon-Ha Kim
J Prev Med Public Health. 2015;48(5):239-248.   Published online September 11, 2015
DOI: https://doi.org/10.3961/jpmph.14.049
  • 9,373 View
  • 112 Download
  • 12 Crossref
AbstractAbstract PDFSupplementary Material
Objectives
The purpose of this study was to assess the inter-rater reliability and intra-rater reliability of medical record review for the detection of hospital adverse events.
Methods
We conducted two stages retrospective medical records review of a random sample of 96 patients from one acute-care general hospital. The first stage was an explicit patient record review by two nurses to detect the presence of 41 screening criteria (SC). The second stage was an implicit structured review by two physicians to identify the occurrence of adverse events from the positive cases on the SC. The inter-rater reliability of two nurses and that of two physicians were assessed. The intra-rater reliability was also evaluated by using test-retest method at approximately two weeks later.
Results
In 84.2% of the patient medical records, the nurses agreed as to the necessity for the second stage review (kappa, 0.68; 95% confidence interval [CI], 0.54 to 0.83). In 93.0% of the patient medical records screened by nurses, the physicians agreed about the absence or presence of adverse events (kappa, 0.71; 95% CI, 0.44 to 0.97). When assessing intra-rater reliability, the kappa indices of two nurses were 0.54 (95% CI, 0.31 to 0.77) and 0.67 (95% CI, 0.47 to 0.87), whereas those of two physicians were 0.87 (95% CI, 0.62 to 1.00) and 0.37 (95% CI, -0.16 to 0.89).
Conclusions
In this study, the medical record review for detecting adverse events showed intermediate to good level of inter-rater and intra-rater reliability. Well organized training program for reviewers and clearly defining SC are required to get more reliable results in the hospital adverse event study.
Summary

Citations

Citations to this article as recorded by  
  • The Korea National Patient Safety Incidents Inquiry Survey: Feasibility of Medical Record Review for Detecting Adverse Events in Regional Public Hospitals
    Min Ji Kim, Hee Jung Seo, Hong Mo Koo, Minsu Ock, Jee-In Hwang, Sang-Il Lee
    Journal of Patient Safety.2022; 18(5): 389.     CrossRef
  • The Korea National Patient Safety Incidents Inquiry Survey: Characteristics of Adverse Events Identified Through Medical Records Review in Regional Public Hospitals
    Min Ji Kim, Hee Jung Seo, Hong Mo Koo, Minsu Ock, Jee-In Hwang, Sang-Il Lee
    Journal of Patient Safety.2022; 18(5): 382.     CrossRef
  • Feasibility of Capturing Adverse Events From Insurance Claims Data Using International Classification of Diseases, Tenth Revision, Codes Coupled to Present on Admission Indicators
    Juyoung Kim, Eun Young Choi, Won Lee, Hae Mi Oh, Jeehee Pyo, Minsu Ock, So Yoon Kim, Sang-il Lee
    Journal of Patient Safety.2022; 18(5): 404.     CrossRef
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    Journal of Patient Safety.2020; 16(2): e90.     CrossRef
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JPMPH : Journal of Preventive Medicine and Public Health