Table 2.

summary of adverse events

Age range	Sex	ASA	Urgency	Specialty	Anaesthesia	Event	No. of events	Phase	Level of harm
<1	M	2	Emergency	General	General	Aspiration hypoxia	3	Induction emergence	Medium
>60	M	2	Emergency	Urology	General	Hypotension	1	Maintenance	Low
21-60	M	1	Emergency	Urology	Spinal	Failed spinal	1	Maintenance	Low
11-20	F	4	Emergency	General	General	Hypoxia equipment fault	3	Induction emergence	Low Med
<1	M	2	Elective	General	General	Hypoxia	1	Induction	None
<1	M	2	Emergency	General	General	Difficult intubation	1	Induction	Low
21-60	M	1	Emergency	General	General	Hypotension	1	Maintenance	Low
>60	M	2	Elective	General	Spinal	High spinal	1	Maintenance	Low
21-60	F	2	Elective	General	General	Difficult intubation	1	Induction	None
1-10	M	2	Elective	Ortho	General	Laryngospasm	1	Emergence	None
11-20	M	2	Elective	Ortho	Spinal	Failed spinal	1	Maintenance	Low
11-20	F	1	Elective	Ortho	Spinal	Failed spinal	1	Induction	Low

Ortho: orthopaedic surgery