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

Table 1 Ambulances participating in the quality improvement project and their catchment areas in 2015

Region	No. of ambulance stations and ambulances	Covering km² (No. of inhabitants)
Halland	8 Stations, 29 ambulances	5454 (314,784)
Jönköping	10 Stations, 21 ambulances	10,475 (344,752)
Skåne	13 Stations, 31 ambulances	6890 (490,666)
Örebro	9 Stations, 16 ambulances	8546 (291,000)

ISSN: 1757-7241