Perpetrator and situational characteristics associated with security alerts in regional Australian emergency departments

Table 1 Incidence of security alerts

Location	Time period
Location	26/1/2017-25/1/2018 n	26/1/2018-25/1/2019 n	Total study period n
Health service 1
Security alerts	17	27	44
Patient presentations	52,088	54,141	106,229
Security alerts per 1000 presentations	0.33	0.50	0.41
Health service 2
Security alerts	38	69	107
Patient presentations	33,436	34,255	67,691
Security alerts per 1000 presentations	1.14	2.01	1.58
Combined
Security alerts	55	96	151
Patient presentations	85,524	88,369	173,920
Security alerts per 1000 presentations	0.64	1.09	0.87

ISSN: 1471-227X