Volume 12 Issue 4
Dec.  1999
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MA En-bo, WANG RUo-TAo, YANG Gong-Huan, MICHAEL R.PHILLIPS. Application of YLD Calculation in Assessing Disease Data --An Analysis of 4 Diseases in 2 Regions[J]. Biomedical and Environmental Sciences, 1999, 12(4): 260-269.
Citation: MA En-bo, WANG RUo-TAo, YANG Gong-Huan, MICHAEL R.PHILLIPS. Application of YLD Calculation in Assessing Disease Data --An Analysis of 4 Diseases in 2 Regions[J]. Biomedical and Environmental Sciences, 1999, 12(4): 260-269.

Application of YLD Calculation in Assessing Disease Data --An Analysis of 4 Diseases in 2 Regions

  • The objective of the current study is to discuss the problems related to how data is used to calculate Years Lost with Disability (YLD) with the method recommended by the World Bank. The study includes collecting useful data, estimating disease duration and average age of disease onset,adjusting incidence and prevalence data by means of a software programme, DISMOD ( Harvard University Incidence & Prevalence Model), and assessing the importance of YLD calculation for different diseases.Remission and fatality rates of 3 diseases were estimated by experts at 2 round consultations.Incidence rates, disease duration and average age of disease onset were calculated and adjusted by DISMOD. YLD due to schizophrenia is the highest among 4 diseases in two regions. YLD is18.88% in disability adjusted life year for 4 diseases in Xiacheng District, and 19.97% in Fuyang County.Available data can be used for the calculation of YLD after being adjusted. DISMOD is a useful instrument to test the internal consistency of incidence, prevalence, remission and fatality rate. The adjusted data are acceptable to experts and DISMOD. To get rational remission and fatality rates, we can use a cohort method through expert consultations. To reflect overall burden of disease, YLD calculation should be used.
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Application of YLD Calculation in Assessing Disease Data --An Analysis of 4 Diseases in 2 Regions

Abstract: The objective of the current study is to discuss the problems related to how data is used to calculate Years Lost with Disability (YLD) with the method recommended by the World Bank. The study includes collecting useful data, estimating disease duration and average age of disease onset,adjusting incidence and prevalence data by means of a software programme, DISMOD ( Harvard University Incidence & Prevalence Model), and assessing the importance of YLD calculation for different diseases.Remission and fatality rates of 3 diseases were estimated by experts at 2 round consultations.Incidence rates, disease duration and average age of disease onset were calculated and adjusted by DISMOD. YLD due to schizophrenia is the highest among 4 diseases in two regions. YLD is18.88% in disability adjusted life year for 4 diseases in Xiacheng District, and 19.97% in Fuyang County.Available data can be used for the calculation of YLD after being adjusted. DISMOD is a useful instrument to test the internal consistency of incidence, prevalence, remission and fatality rate. The adjusted data are acceptable to experts and DISMOD. To get rational remission and fatality rates, we can use a cohort method through expert consultations. To reflect overall burden of disease, YLD calculation should be used.

MA En-bo, WANG RUo-TAo, YANG Gong-Huan, MICHAEL R.PHILLIPS. Application of YLD Calculation in Assessing Disease Data --An Analysis of 4 Diseases in 2 Regions[J]. Biomedical and Environmental Sciences, 1999, 12(4): 260-269.
Citation: MA En-bo, WANG RUo-TAo, YANG Gong-Huan, MICHAEL R.PHILLIPS. Application of YLD Calculation in Assessing Disease Data --An Analysis of 4 Diseases in 2 Regions[J]. Biomedical and Environmental Sciences, 1999, 12(4): 260-269.

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