Table 1.

Distribution of Events by Event Types

	Typea	Event	No.	%
1	SE	Surgery / interventional procedure involving the wrong patient or body part	8	4%
2	SE	Retained instruments or other material after surgery / interventional procedure	29	14%
3	SE	ABO incompatibility blood transfusion	1	0%
4	SE	Medication error resulting in major permanent loss of function or death	0	0%
5	SE	Intravascular gas embolism resulting in death or neurological damage	2	1%
6	SE	Death of an inpatient from suicide (including home leave)	15	7%
7	SE	Maternal death or serious morbidity associated with labour or delivery	4	2%
8	SE	Infant discharged to wrong family or infant abduction	2	1%
9	SE	Other adverse events (excluding complications) resulting in permanent loss of function or death	1	0%
10	SUE	Medication error which could have led to death or permanent harm	137	64%
11	SUE	Patient misidentification which could have led to death or permanent harm	15	7%
Total			214	100%

^aSE Sentinel Event; SUE Serious Untoward Event