Age (years)† | 53 (46, 59) | 58 (53, 62)‡ | |
Ethnic group |
Chinese | 5710 (63.3%) | 1302 (62.8%) | |
Indian | 1624 (18.0%) | 401 (19.3%) | |
Malay | 1682 (18.7%) | 371 (17.9%)§ | |
Typical symptoms | 6768 (75.1%) | 1315 (63.4%) | 64.4%‡ |
Previous MI | 1048 (11.6%) | 198 (9.5%) | 8.1%‡ |
Q wave MI | 6706 (74.4%) | 1314 (63.4%) | 63.1%‡ |
Anterior Q wave MI | 3387 (37.6%) | 680 (32.8%) | 33.6%‡ |
CK (U/l)† | 1189 (617, 2569) | 878 (479, 1737)‡ | |
Angiography within 28 days | 3434 (38.1%) | 634 (30.6%) | 33.1%‡ |
Revascularisation within 28 days | 1385 (15.4%) | 288 (13.9%) | 15.0%§ |
28 day case fatality | 1284 (14.2%) | 463 (22.3%) | 22.0%‡ |
1 year case fatality | 1666 (18.5%) | 604 (29.1%) | 28.0%‡ |