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Summary of Prototype Decision Model
| PBK Level | Threshold BER Required for Exposure to Be Identified as Low Risk | Confidence Threshold (pthreshold) Required for Exposure Scenario to Be Identified as Low Risk | Probability of Overturning Low-Risk Decision at Next PBK Level | Empirical Utility | Empirical Protectiveness |
|---|---|---|---|---|---|
| 1 | 110 | .98 | .1 | 3/18 (17%) | 6/6 (100%) |
| 2 | 11 | .97 | .1 | 6/18 (33%) | 6/6 (100%) |
| 3 | 2.5 | .95 | — | 9/13 (69%) | 5/5 (100%) |
