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Update Data Collection for Lung Mortality Models

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Current policy

In lung allocation, estimates of a candidate’s medical urgency and post-transplant outcomes are calculated based on the candidate’s clinical information. This proposal is a piece of the Lung Committee’s continuing work to evaluate data collection. The collection of additional information on waitlisted candidates will allow the Committee to consider the impact of the information on a candidate’s medical urgency and post-transplant outcomes, and potentially include them as variables in future revisions of the lung composite allocation score.

Supporting media

Presentation

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Proposed changes

  • Remove data collection fields that are no longer necessary
  • Change data collection on five clinical criteria to more accurately reflect a candidate’s medical urgency and post-transplant outcomes
  • Add data collection on 14 clinical criteria to evaluate a candidate’s medical history and current status

Anticipated impact

  • What it's expected to do
    • Collect data that better reflects candidates’ medical conditions
    • Provide more information/options/definitions so clinicians can more accurately report candidate data
    • Inform future potential policy changes
  • What it won't do
    • Change the variables, coefficients, rating scales, or weights used to calculate the Composite Allocation Score

Terms to know

  • Composite Allocation Score (CAS): Formula that combines points from multiple candidate and donor attributes together, assigning a total score to a candidate on the wait list. The candidate’s CAS determines their place on a match run.

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