Characteristics of patients treated in hospital for myocardial infarction
| Characteristic | Men (n = 9016) | Women (n = 2074) | Age adjusted rates for women* |
|---|---|---|---|
| *Adjustment based on male age structure; †median (25th and 75th centile); ‡p<0.001; §not significant for sex comparison. | |||
| CK, creatine kinase, MI, myocardial infarction. | |||
| 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%‡ |