Table 1.

Probability scores with examples for the assessment of potential clinical harm of the PIs provided to raters.

Probability of ADE Occurring	Probability Score	Example
No harm expected	0	Pharmacist suggests changing a person from esomeprazole to omeprazole exclusively for economic reasons
Very low	0.01	Patient regularly takes a bisphosphonate, but medication omitted from hospital kardex
Low	0.1	Patient takes an antibiotic twice daily, when recommended dose would be three times daily
Medium	0.4	Metformin dose not reduced despite patient demonstrating renal impairment
High	0.6	Patient prescribed amiodarone while taking digoxin without any reduction in digoxin dose

ADE: adverse drug event.