Baseline characteristics of coronary heart disease (CHD) hospitalisations in England and Australia*
| England | Australia | |||||||||
| Myocardial infarction | Unstable angina | Stable angina | Other CHD | Total CHD | Myocardial infarction | Unstable angina | Stable angina | Other CHD | Total CHD | |
| Men | ||||||||||
| 1996–2003 | ||||||||||
| Total admissions, n | 367 958 | 248 227 | 233 889 | 596 098 | 1 446 172 | 186 714 | 253 397 | 172 345 | 182 264 | 794 720 |
| Average annual admissions, n | 45 995 | 31 028 | 29 236 | 74 512 | 180 772 | 23 339 | 31 675 | 21 543 | 22 783 | 99 340 |
| Mean age, years (SD) | 65.3 (11.4) | 64.4 (11.1) | 63.9 (11.2) | 62.5 (9.9) | 63.9 (10.8) | 63.9 (12.0) | 65.0 (11.3) | 64.6 (10.9) | 64.2 (10.5) | 64.5 (11.2) |
| 2004–2013 | ||||||||||
| Total admissions, n | 425 569 | 228 079 | 207 305 | 988 739 | 1 849 692 | 317 623 | 208 878 | 183 805 | 255 517 | 965 823 |
| Average annual admissions, n | 42 557 | 22 808 | 20 731 | 98 874 | 184 969 | 31 762 | 20 888 | 18 381 | 25 552 | 96 582 |
| Mean age, years (SD) | 65.6 (11.8) | 64.9 (11.7) | 64.9 (11.4) | 64.6 (10.3) | 65.0 (11.1) | 64.4 (12.0) | 65.2 (11.4) | 66.0 (10.8) | 66.3 (10.1) | 65.4 (11.2) |
| Women | ||||||||||
| 1996–2003 | ||||||||||
| Total admissions, n | 183 859 | 151 792 | 161 885 | 213 644 | 711 180 | 85 083 | 147 494 | 90 187 | 67 034 | 389 798 |
| Average annual admissions, n | 22 982 | 18 974 | 16 189 | 26 706 | 88 898 | 10 635 | 18 437 | 11 273 | 8 379 | 48 725 |
| Mean age, years (SD) | 71.0 (9.9) | 68.2 (10.7) | 67.5 (11.1) | 66.0 (9.9) | 68.2 (10.6) | 70.2 (11.0) | 68.9 (10.9) | 68.1 (11.0) | 67.7 (10.1) | 68.8 (10.9) |
| 2004–2013 | ||||||||||
| Total admissions, n | 197 293 | 136 597 | 147 188 | 371 370 | 852 448 | 140 406 | 114 280 | 94 425 | 92 569 | 441 680 |
| Average annual admissions, n | 19 729 | 13 660 | 14 719 | 37 137 | 85 244 | 14 041 | 11 428 | 9 443 | 9 257 | 44 168 |
| Mean age, years (SD) | 70.9 (10.8) | 68.2 (11.5) | 67.5 (11.4) | 67.6 (10.1) | 68.7 (10.9) | 69.2 (11.7) | 67.8 (11.6) | 68.1 (11.3) | 69.0 (10.0) | 68.5 (11.3) |
*Hospitalisations are from national unlinked data. P<0.0001 for all between-country comparisons of mean age within each subgroup, from independent t-tests.