Safety Metrics Variables

An optimized development therefore takes these metrics as criteria for optimization and considers both expected safety benefit as well as possible negative consequences. In order to test false-positive rates or calculate NNT, adequate testing methods with respect to real traffic and its variability are needed [9, 10]. 

How does a healthcare organization know that its safety performance metrics are providing a complete picture of the right variables A moderate-sized Midwestern hospital had virtually no significant events in three years, and its CEO was proud of its performance. Then "out of the blue" the hospital experienced a run of neonatal deaths. "Why didn t we see this coming " the CEO demanded. 

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