In the lives saved model, which expression represents the lives saved index?

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Multiple Choice

In the lives saved model, which expression represents the lives saved index?

Explanation:
The lives saved index is the proportion of people whose lives were saved out of all outcomes considered in the model. That means you take the number of lives saved and divide by the total number of lives saved plus the two categories of losses the model accounts for. So the denominator should include LS plus the two loss categories, specifically LLA and LUF. This gives LS / (LS + LLA + LUF), a true representation of the fraction of lives saved among all modeled outcomes. The other expressions omit one of the loss paths or include a category not part of this index, which would distort the calculation.

The lives saved index is the proportion of people whose lives were saved out of all outcomes considered in the model. That means you take the number of lives saved and divide by the total number of lives saved plus the two categories of losses the model accounts for. So the denominator should include LS plus the two loss categories, specifically LLA and LUF. This gives LS / (LS + LLA + LUF), a true representation of the fraction of lives saved among all modeled outcomes. The other expressions omit one of the loss paths or include a category not part of this index, which would distort the calculation.

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