Impact calculation tool: Difference between revisions

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Impact Calculation Tool ICT (previously know as The Impact Calculation tool TICT) is a tool for calculating Years of Life Lost (YLL) and Years of Life lived with a Disease (YLD). By combining these two, we acquire a burden of disease estimate (BoD). This result can be used e.g. for comparing different diseases caused by various exposures. The key word is commensurable measures.
Impact Calculation Tool ICT is a tool for calculating Years of Life Lost (YLL) and Years of Life lived with a Disease (YLD). By combining these two, the model calculates a burden of disease (BoD) estimate expressed in disability adjusted lifeyears (DALY). <br>


The tool utilizes life table approach, i.e age specific information on diseases in a given population. ICT tool is programmed on Analytica Monte-Carlo software. It has a user-friendly interface, no special need for coding experience is needed. However, user must provide various information, including:  
The tool utilizes life table approach, i.e age specific information on diseases in a given population; input data is given in 5-year categories and the model divides them evenly for the 1-year time-step used internally. ICT tool is programmed on Analytica Monte-Carlo software (Lumina, Inc., see http://www.lumina.com/).&nbsp;
 
The model inputs include:


*Cause of death due to exposure  
*Cause of death due to exposure  
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*Severity weights
*Severity weights


Another way for calculating is with already existing data on burden of disease. This can be inputted to the tool with attributable fractions.
Existing data on burden of disease can be used in the model with attributable fraction estimates.

Revision as of 13:52, 13 March 2009


Impact Calculation Tool ICT is a tool for calculating Years of Life Lost (YLL) and Years of Life lived with a Disease (YLD). By combining these two, the model calculates a burden of disease (BoD) estimate expressed in disability adjusted lifeyears (DALY).

The tool utilizes life table approach, i.e age specific information on diseases in a given population; input data is given in 5-year categories and the model divides them evenly for the 1-year time-step used internally. ICT tool is programmed on Analytica Monte-Carlo software (Lumina, Inc., see http://www.lumina.com/). 

The model inputs include:

  • Cause of death due to exposure
  • Endpoints of morbidity
  • Population data with 5-year age intervals
  • Baseline mortality
  • Baseline morbidity
  • Exposure measure
  • Mortality exposure-response function
  • Morbidity exposure-response function
  • Duration of disease
  • Severity weights

Existing data on burden of disease can be used in the model with attributable fraction estimates.

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