Table 1.
Baseline characteristics in patients with index fatal and non-fatal myocardial infarction or stroke stratified by 5-year calendar groups.
| Variable | Index Condition | 1990 to 1994 | 1995 to 1999 | 2000 to 2004 | 2005 to 2009 | 2010 to 2014 |
|---|---|---|---|---|---|---|
| Number | Myocardial infarction | 100,929 | 82,330 | 69,415 | 58,513 | 61,686 |
| Stroke | 64,870 | 64,593 | 58,563 | 52,043 | 50,858 | |
| Age, years (mean [SD]) | Myocardial infarction | 70.2 (12.2) | 70.9 (12.5) | 71.5 (13.1) | 71.3 (13.6) | 70.2 (13.9) |
| Stroke | 74.0 (12.2) | 74.0 (12.6) | 74.0 (13.1) | 73.5 (13.5) | 73.4 (13.6) | |
| Sex, females(%) | Myocardial infarction | 44,435 (44.0) | 36,220 (44.0) | 30,080 (43.3) | 24,403 (41.7) | 24,559 (39.8) |
| Stroke | 37,149 (57.3) | 36,222 (56.1) | 32,628 (55.7) | 28,155 (54.1) | 26,931 (53.0) | |
| Past medical history | ||||||
| Ischemic heart disease (%) | Myocardial infarction | 10,069 (10.0) | 10,887 (13.2) | 10,381 (15.0) | 9,713 (16.6) | 9,425 (15.3) |
| Stroke | 6,462 (10.0) | 7,274 (11.3) | 6,780 (11.6) | 6,341 (12.2) | 5,961 (11.7) | |
| Cerebrovascular disease (%) | Myocardial infarction | 4,934 (4.9) | 4,663 (5.7) | 3,725 (5.4) | 2,856 (4.9) | 2,616 (4.2) |
| Stroke | 4,422 (6.8) | 4,093 (6.3) | 2,727 (4.7) | 2,044 (3.9) | 1,666 (3.3) | |
| Heart failure (%) | Myocardial infarction | 6,507 (6.4) | 6,445 (7.8) | 5,467 (7.9) | 4,156 (7.1) | 3,663 (5.9) |
| Stroke | 3,717 (5.7) | 3,765 (5.8) | 3,138 (5.4) | 2,482 (4.8) | 2,299 (4.5) | |
| Coronary revascularisation (%) | Myocardial infarction | 619 (0.6) | 818 (1.0) | 878 (1.3) | 1408 (2.4) | 1490 (2.4) |
| Stroke | 372 (0.6) | 675 (1.0) | 828 (1.4) | 1154 (2.2) | 1391 (2.7) | |
| Cardiac devices, (%) | Myocardial infarction | 343 (0.3) | 433 (0.5) | 436 (0.6) | 458 (0.8) | 573 (0.9) |
| Stroke | 282 (0.4) | 423 (0.7) | 418 (0.7) | 469 (0.9) | 547 (1.1) | |
|
Deprivation (SIMD), quintile (%) |
||||||
| One (most deprived) | Myocardial infarction | 27,438 (27.7) | 21,903 (26.8) | 17,959 (26.0) | 14,069 (24.2) | 15,079 (24.6) |
| Stroke | 17,357 (27.3) | 16,833 (26.2) | 14,958 (25.7) | 12,649 (24.4) | 11,988 (23.7) | |
| Two | Myocardial infarction | 24,060 (24.3) | 19,993 (24.5) | 16,645 (24.1) | 13,585 (23.4) | 14,122 (23.1) |
| Stroke | 15,115 (23.8) | 15,343 (23.9) | 13,738 (23.6) | 11,856 (22.9) | 11,370 (22.5) | |
| Three | Myocardial infarction | 19,904 (20.1) | 16,455 (20.2) | 13,846 (20.1) | 11,883 (20.4) | 12,278 (20.1) |
| Stroke | 12,717 (20.0) | 12,957 (20.2) | 11,621 (20.0) | 10,514 (20.3) | 10,136 (20.1) | |
| Four | Myocardial infarction | 15,546 (15.7) | 12,993 (15.9) | 11,307 (16.4) | 10,288 (17.7) | 10,841 (17.7) |
| Stroke | 10,298 (16.2) | 10,470 (16.3) | 9,799 (16.8) | 9,079 (17.5) | 9,099 (18.0) | |
| Five (least deprived) | Myocardial infarction | 12,053 (12.2) | 10,272 (12.6) | 9,233 (13.4) | 8,326 (14.3) | 8,880 (14.5) |
| Stroke | 8,139 (12.8) | 8,586 (13.4) | 8,121 (13.9) | 7,650 (14.8) | 7,890 (15.6) |