Table 4.

Patient's residence – area postcodes (all selected hospitals) and – district postcodes after removing out-of-area cases (NSRI, Stoke on Trent 1997–2004)

	Patient postcode-all hospitals					Patient postcode – NSRI***
Hospital (s)/area postcode, time period	Hospital area No (%)	Out-of-hospital area No (%)	Not known No (%)	Total No (100.0%)		ST district postcode	Total (area + not known)
							No	(%)
North Staffordshire Royal Infirmary/ST, 1997–2004	3886 (75.8)	1012 (19.8)	227 (4.4)	5125	→	ST5	613	14.9
					→	ST6	533	13.0
						ST3	533	13.0
Nottingham Univ. H/NG, 1997–2004	4661 (73.1)	1425 (22.3)	294 (4.6)	6380		ST4	456	11.1
						ST2	312	7.6
The Ipswich H/IP, 1996–2004	2344 (86.4)	287 (10.6)	82 (3.0)	2713		ST7	288	7.0
						ST1	289	7.0
Leicester Royal Infirmary/LE, 1996–2004	3528 (85.5)	559 (13.5)	40 (1.0)	4127		ST10	211	5.1
						ST13	182	4.4
						ST8	125	3.0
Colchester General H/CO, 1996–2004	1296 (78.7)	256 (15.6)	94 (5.7)	1646		ST11	72	1.8
						ST9	66	1.6
Northampton General H/NN, 1996–2004	1395 (85.2)	221 (13.5)	21 (1.3)	1637		ST15	42	1.0
						ST14	33	0.8
						ST16	28	0.7
West Cumberland H/CA, 1996–2004	550 (82.1)	86 (12.8)	34 (5.1)	670		ST12	24	0.6
						ST17	21	0.5
Scunthorpe General H/DN, 1998–2004	1031 (89.2)	79 (6.8)	46 (4.0)	1156		ST18	17	0.4
						ST21	13	0.3
Huddersfield Royal Infirmary/HD, 1999–2004	592 (80.4)	95 (12.9)	49 (6.7)	736		ST19	8	0.2
						ST20	5	0.1
						ST	15	0.3
Peterborough District H & Pilgrim H/PE, 1996–2004	2972 (76.1)	702 (18.0)	229 (5.9)	3903		Not known	227	5.5
						Total	4113	100.0
Royal Liverpool H, Univ. H Aintree, Countess of Chester, Arrowe Park H*/L+CH, 1996–2004	8772 (85.6)	1053 (10.3)	418 (4.1)	10243
Pool H/BH, 1996–2004**	1705 (77.3)	334 (15.1)	168 (7.6)	2207

*all cases age ≥ 16 years; ** excludes year 2002; *** in bold the first districts that account for 83.1% of hospital admissions