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Number Needed To… $ave?
Graeme M Rocker1, Jennifer Y Verma, Jillian Demmons
1. gmrocker@dal.ca.
Clinical and Investigative Medicine. Medecine Clinique Et Experimentale
|February 10, 2015
Summary
A new metric, the Number Needed to Save (NN$), estimates healthcare cost-savings from interventions. For example, 26 patients completing a program could save $100,000 by reducing hospitalizations.
Area of Science:
- Health economics
- Health services research
- Healthcare management
Background:
- The Number Needed to Treat (NNT) is a standard metric for evaluating therapeutic interventions.
- There is a need for systems-level metrics to assess the economic impact of healthcare programs.
Purpose of the Study:
- To introduce and explore the concept of the 'Number Needed to Save' (NN$) metric.
- To adapt the NNT concept for estimating potential cost-savings to the health system from program implementation.
Main Methods:
- Utilized outcomes from the INSPIRED COPD Outreach Program.
- Calculated the NN$ based on avoided hospital bed days and associated healthcare expenditures.
Main Results:
- 26 patients completing the INSPIRED COPD Outreach Program were associated with avoiding $100,000 in healthcare expenditures.
- The NN$ metric quantifies resource redirection rather than direct cost savings.
Conclusions:
- The proposed NN$ metric offers a novel approach to evaluating the economic impact of healthcare programs.
- NN$ could inform system-level resource allocation decisions, similar to how NNT informs individual treatment choices.
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