| Risk factor | Overall population | In-hospital death | 30-day death | 1-year death |
| Number of patients | 100 686 | 8681 | 8770 | 14 611 |
| Demographics | ||||
| Age, years (mean (SD)) | 68.9 (13.79) | 79.2 (9.97) | 78.7 (10.11) | 79.0 (9.87) |
| Female | 36 198 (36%) | 4069 (47%) | 4037 (46%) | 6630 (45%) |
| White | 76 111 (76%) | 6855 (79%) | 6887 (79%) | 11 503 (79%) |
| Asian | 3234 (3%) | 142 (2%) | 138 (2%) | 227 (2%) |
| Medical history | ||||
| Myocardial infarction | 22 638 (22%) | 2030 (23%) | 2087 (24%) | 4141 (28%) |
| Hyperlipidaemia | 24 801 (25%) | 1319 (15%) | 1421 (16%) | 2549 (17%) |
| Hypertension | 42 528 (42%) | 3679 (42%) | 3718 (42%) | 6305 (43%) |
| Angina | 32 029 (32%) | 2777 (32%) | 2835 (32%) | 5438 (37%) |
| Chronic renal failure | 3109 (3%) | 590 (7%) | 575 (7%) | 1064 (7%) |
| Cerebrovascular disease | 7482 (7%) | 1299 (15%) | 1241 (14%) | 2063 (14%) |
| Peripheral vascular disease | 4319 (4%) | 636 (7%) | 612 (7%) | 1054 (7%) |
| Chronic obstructive pulmonary disease | 12 986 (13%) | 1365 (16%) | 1345 (15%) | 2456 (17%) |
| Heart failure | 5889 (6%) | 1116 (13%) | 1100 (13%) | 2028 (14%) |
| Diabetes | 17 125 (17%) | 1828 (21%) | 1818 (21%) | 3238 (22%) |
| Smoking | 25 164 (25%) | 1254 (14%) | 1311 (15%) | 2114 (14%) |
| Cardiac enzymes | ||||
| Elevated CK or troponin | 70 378 (70%) | 6490 (75%) | 6427 (73%) | 10834 (74%) |
| ECG changes | ||||
| ST-segment elevation | 33 723 (33%) | 3168 (36%) | 3230 (37%) | 4326 (30%) |
| LBBB | 5068 (5%) | 754 (9%) | 753 (9%) | 1299 (9%) |
| ST-segment depression | 13 023 (13%) | 1270 (15%) | 1284 (15%) | 2335 (16%) |
| T-wave changes only | 13 020 (13%) | 582 (7%) | 572 (7%) | 1222 (8%) |
| Arrhythmia or conduction abnormality | 13 248 (13%) | 1355 (16%) | 1305 (15%) | 2310 (16%) |
| Normal | 8870 (9%) | 206 (2%) | 233 (3%) | 502 (3%) |
| Aspirin status | ||||
| Already taking aspirin before admission | 22 363 (22%) | 2147 (25%) | 2188 (25%) | 4024 (28%) |
| Aspirin given out of hospital | 32 830 (33%) | 1845 (21%) | 2021 (23%) | 3219 (22%) |
| Aspirin given on arrival to hospital | 29 547 (29%) | 2293 (26%) | 2225 (25%) | 3767 (26%) |
CK, creatinine kinase; LBBB, left bundle branch block.