2. Frame your analysis

The four types of analysis identified in step 1 are comparative approaches. You therefore need to frame your analysis carefully to avoid making any methodological errors. Five points are particularly important.

• Choose your perspective: costs and results vary according to your point of view and your interests. Specify whether you are conducting your analysis from the patient's point of view, that of the Assurance-Maladie or that of society in general. It is advisable to adopt a collective perspective, broad enough to take account of all the stakeholders involved.

• Identify the analysis population: costs and results will depend on the population studied. It is advisable to include all individuals affected by your innovation. If you use patient cohorts, make sure they are representative.

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