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Scoring Causality and Severity:
- Probability that a signal represents a true Adverse Drug Event
- Naranjo algorithm (Clin. Pharmaco. Ther. 1981;30:239-245): Score must be probable or defininte[sic] to count as an ADE.
- Duke severity scoring system, 0-6 scale
- Like NCC-MERP, 3 and over equals harm to the patient
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