Figure 6.1. The ECHO model.

Figure 6.1The ECHO model

See Kozma CM, Reeder CE, Schultz RM. Economic, clinical, and humanistic outcomes: a planning model for pharmacoeconomic research. Clin Ther. 1993;15(6):1121-32. This figure is copyrighted by Elsevier Inc. and reprinted with permission.

From: Chapter 6, Outcome Definition and Measurement

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Developing a Protocol for Observational Comparative Effectiveness Research: A User's Guide.
Velentgas P, Dreyer NA, Nourjah P, et al., editors.
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