One way to keep metrics understandable is to use the SMART (specific, measurable, achievable, relevant, time-based) model.
The maxim "what gets measured gets managed" really applies here: If you're not tracking relevant metrics, you're probably not optimizing the campaign effectively, either. Outline your measurement ...
The primary goal was to create automated metrics to accurately and comprehensively collect relevant clinical data without adding to the clinical pharmacy or administrative staff workload.