Patient characteristics by period of admissions to hospital in England, 2003–2013
| Patient demographics, history and cardiac status | Period of admission to hospital | ||||
|---|---|---|---|---|---|
| Total (n=90 498) | 2003–2004 (n=30) | 2005–2007 (n=4299) | 2008–2010 (n=35 000) | 2011–2013 (n=51 169) | |
| Age, years | 63.7 (13.2) | 60.1 (13.2) | 63.0 (13.0) | 63.6 (13.2) | 63.8 (13.2) |
| Female | 23 776 (26.4) | 7 (23.3) | 1119 (26.1) | 9286 (26.6) | 13 364 (26.3) |
| Ethnicity | |||||
| Caucasian | 71 631 (90.0) | 17 (77.3) | 2999 (83.2) | 27 241 (90.6) | 41 374 (90.2) |
| Other | 7941 (10.0) | 5 (22.7) | 714 (16.8) | 2836 (9.4) | 4496 (9.8) |
| Deprivation (IMD) | |||||
| 1 (Least deprived) | 15 368 (17.3) | 1 (3.3) | 550 (13.2) | 5587 (16.2) | 9230 (18.4) |
| 2 | 16 250 (18.3) | 1 (3.3) | 625 (15.0) | 6014 (17.5) | 9610 (19.1) |
| 3 | 17 730 (19.9) | 3 (10.0) | 797 (19.1) | 6675 (19.4) | 10 255 (20.4) |
| 4 | 18 031 (20.3) | 8 (26.7) | 952 (22.8) | 7180 (20.8) | 9891 (19.7) |
| 5 (Most deprived) | 21 556 (24.2) | 17 (56.7) | 1258 (30.1) | 9007 (26.1) | 11 274 (22.4) |
| Ever smoked | 33 240 (66.9) | 13 (82.6) | 1630 (67.1) | 12 920 (67.5) | 18 677 (66.4) |
| Diabetes | 11 580 (14.0) | 4 (13.8) | 593 (14.4) | 4188 (13.2) | 6795 (14.5) |
| Hypertension | 33 645 (42.9) | 10 (90.9) | 1672 (46.7) | 12 883 (43.6) | 19 080 (42.2) |
| Dyslipidaemia | 25 195 (33.0) | 11 (91.7) | 1249 (36.9) | 9826 (34.3) | 14 109 (31.9) |
| Family history of CAD | 25 885 (36.9) | 0 | 11 221 (39.4) | 10 328 (39.1) | 14 336 (35.2) |
| Previous angina | 9683 (12.6) | 0 | 510 (15.1) | 4047 (13.9) | 5126 (11.5) |
| Previous MI | 9507 (6.7) | 2 (6.7) | 500 (13.2) | 3799 (12.8) | 5255 (11.7) |
| Previous PCI | 5933 (7.6) | 1 (3.3) | 299 (7.9) | 2320 (7.9) | 3313 (7.4) |
| Previous CABG | 1877 (2.4) | 1 (3.3) | 97 (2.5) | 754 (2.6) | 1025 (2.3) |
| Chronic heart failure | 995 (1.3) | 0 | 60 (1.8) | 336 (1.2) | 599 (1.3) |
| Cerebrovascular disease | 3492 (4.6) | 2 (66.7) | 147 (4.4) | 1353 (4.7) | 1990 (4.5) |
| Renal failure | 1607 (2.1) | 0 | 81 (2.4) | 644 (2.2) | 882 (2.0) |
| Peripheral vascular disease | 2195 (2.9) | 3 (75.0) | 123 (3.8) | 830 (2.9) | 1239 (2.8) |
| Chronic lung disease | 8068 (10.5) | 0 | 342 (10.5) | 3030 (10.5) | 4696 (10.5) |
| Distance to hospital in km | |||||
| 0–5 | 17 421 (19.6) | 10 (33.3) | 1449 (34.8) | 7535 (21.9) | 8427 (16.8) |
| 6–15 | 33 321 (37.4) | 19 (63.4) | 1829 (43.9) | 13 942 (40.4) | 17 531 (34.9) |
| 16–29 | 24 060 (27.0) | 1 (3.3) | 596 (14.3) | 8330 (24.2) | 15 133 (30.1) |
| +30 | 14 189 (15.9) | 0 | 294 (7.1) | 4686 (13.6) | 9209 (18.3) |
| Trust characteristics (n=84) | |||||
| Total number of beds | |||||
| <700 | 214 (31.4) | – | 69 (31.1) | 74 (32.2) | 71 (30.9) |
| 700–999 | 246 (36.1) | – | 79 (35.6) | 78 (33.9) | 89 (38.7) |
| ≥1000 | 222 (32.5) | – | 74 (33.3) | 78 (33.9) | 70 (30.4) |
| Number of acute and general beds | |||||
| <700 | 292 (43.7) | – | 112 (51.4) | 89 (39.9) | 91 (39.9) |
| 700–999 | 216 (32.3) | – | 60 (27.5) | 71 (31.8) | 85 (37.3) |
| ≥1000 | 161 (24.1) | – | 46 (21.0) | 63 (28.3) | 52 (22.8) |
| Number of in-house interventional cardiologists | |||||
| None | 208 (28.8) | – | 178 (75.7) | 24 (9.8) | 6 (2.5) |
| 1–5 | 320 (44.4) | – | 39 (16.6) | 144 (59.0) | 137 (56.6) |
| >5 | 193 (26.8) | – | 18 (7.7) | 76 (31.2) | 99 (40.9) |
| Number of visiting interventional cardiologists | |||||
| None | 432 (59.9) | – | 203 (86.4) | 124 (50.8) | 105 (43.4) |
| 1–5 | 199 (27.6) | – | 21 (8.9) | 80 (32.8) | 98 (40.5) |
| >5 | 90 (12.5) | – | 11 (4.7) | 40 (16.4) | 39 (16.1) |
| 24/7 PPCI service | 261 (36.2) | – | 17 (7.2) | 106 (43.4) | 138 (57.0) |
| Teaching status | 327 (45.4) | – | 107 (45.5) | 110 (45.1) | 110 (45.5) |
CABG, coronary artery bypass graft surgery; CAD, coronary artery disease; IMD, index of multiple deprivation; MI, myocardial infarction; PCI, percutaneous coronary intervention; PPCI, primary PCI.