Table 3.

Selected Examples of Events

Type	Example
Incident AE	Hypoglycemia with symptoms following dose increase of 1 oral diabetes medicine and addition of 2 new oral diabetes medicines at previous ambulatory physician visit
	Dysuria, urinary urgency, and frequency consistent with a urinary tract infection; patient did not report symptoms to provider or seek treatment
Prevalent AE	Hyperglycemia with polyuria and polydipsia related to incorrect medication use; patient does not understand medication dosing
	Ongoing gastrointestinal distress when taking metformin
Incident PotAE	Patient on insulin unable to check blood glucose because of glucometer malfunction
	Despite physician prescription, pharmacy does not dispense sufficient medication quantity for patient traveling for 6 weeks, leading to nonadherence
Prevalent PotAE	Patient mistakes acetaminophen for metformin and has not taken metformin for 6 months; did not receive pharmacy or provider medication review
	Patient nonadherent to statin because of concern about possible liver toxicity

AE = adverse event, PotAE = potential adverse event