A proposed approach in defining population-based rates of major injury from a trauma registry dataset: Delineation of hospital catchment areas (I)

Table 1 Characteristics of the A&E units in England, Wales & Northern Ireland, and of TARN hospitals

	All hospitals with A&E units	All hospitals TARN members over time	Hospitals under study
Yearly attendances (emergency room)
<30000	56	13	1
30000–59999	125	87	7
60000–89999	81	62	4
= 90000	19	13	4
Location
London	40	15
Midlands & Eastern	61	38	8
North	83	65	7
South	61	42	1
Wales	19	12
Northern Ireland	17	3
Total	281	175	16

ISSN: 1472-6963