Table 2 The number of patients experiencing adverse outcomes, adverse events and adverse events due to errors.

Outcome description	Number of patients (%)*
	Adverse outcomes†	All adverse events‡	Preventable adverse events
All outcomes	53 (13)	24 (6)	17 (4)
Symptoms only	18 (5)	9 (2)	3 (1)
Emergency department visit	19 (5)	5 (1)	4 (1)
Hospitalisation	15 (4)	10 (3)	10 (3)
Death	1 (0.3)	0 (0)	0 (0)

*Denominator = 399.

†Adverse outcomes were the development of new or worsening symptoms, a repeat emergency department visit, a hospitalisation, or death.

‡An adverse event is an adverse outcome judged to be caused by medical management.