A registry-based observational study comparing emergency calls assessed by emergency medical dispatchers with and without support by registered nurses

Table 2 Definition of the corresponding priorities in the Swedish Index and RETTS and definitions of over/undertriage

	Ambulance priority level (RETTS)*
	Red or Orange	Yellow	Green
Dispatched priority level (Swedish Index)**
1	CORRESPONDING	Overtriage	Overtriage
2	Undertriage	CORRESPONDING	Overtriage
3	Undertriage	Undertriage	CORRESPONDING

Swedish Index, The Swedish Index to Emergency Medical Assistance; RETTS, The Rapid Emergency Triage and Treatment System
*RETTS, predefined criteria for each priority level:
**Swedish Index, predefined criteria for each priority level:
(1) Acute ongoing life-threatening condition, ambulance dispatched with lights and sirens
(2) Acute condition, less time-sensitive than priority level 1
(3) Non-urgent conditions
(Red) Life-threatening condition, need for immediate medical assistance
(Orange) Potentially life-threatening condition, need for immediate medical assistance
(Yellow) Severe, non-life threatening condition, immediate medical assistance can wait
(Green) Non-life threatening condition, less urgent than Yellow, medical assistance can wait

ISSN: 1757-7241