Table 2

Confusion matrix for the regular expression (RE)-based diagnosis classification algorithm*

Classified by the RE algorithmClassified by manual prescriptions review
Tier 1ATier 1BTier 2ATier 2BTier 3
Tier 1A3480000
Tier 1B141000
Tier 2A21107400
Tier 2B004630
Tier 3401718428
  • *Tier 1A: tier 1 diagnoses without uncertainty. Tier 1B: tier 1 diagnoses with uncertainty. Tier 2A: tier 2 diagnoses without uncertainty. Tier 2B: tier 2 diagnoses with uncertainty.