Baseline characteristics of 1395 patients presenting with acute myocardial infarction stratified by ST elevation
| ST elevation (n=1239) | No ST elevation(n=156) | p Value | |
| Age (years) | 62.0 (54 to 70) | 64.5 (56.5 to 72.5) | 0.10 |
| Male sex | 897 (72.4) | 111 (71.1) | NS |
| Racial group | |||
| African | 40 (3.2) | 5 (3.2) | |
| Asian | 318 (25.7) | 39 (25.0) | |
| White | 881 (71.1) | 112 (71.8) | NS |
| Smoking | 654 (54.1) | 62 (40.8) | 0.002 |
| Hypertension | 385 (31.5) | 45 (29.2) | NS |
| Diabetes | 248 (20.1) | 27 (17.4) | NS |
| Previous treatment with | |||
| Aspirin | 121 (10.4) | 27 (17.8) | 0.007 |
| b Blocker | 117 (10.1) | 18 (11.8) | NS |
| Emergency treatment with | |||
| Aspirin | 1106 (90.4) | 147 (94.8) | 0.07 |
| Thrombolysis | 984 (79.7) | 52 (33.3) | < 0.001 |
| Pain duration < 120 min | 602 (51.7) | 43 (29.9) | < 0.001 |
| Admission biochemistry (mmol/l) | |||
| Glucose | 8.9 (6.0 to 11.8) | 7.8 (6.1 to 9.5) | 0.01 |
| Potassium | 4.0 (3.7 to 4.3) | 4.2 (4.0 to 4.4) | < 0.001 |
| Mortality | |||
| 30 Days | 163 (13.2) | 13 (8.3) | 0.09 |
| 6 Months | 194 (15.7) | 16 (10.3) | 0.08 |
ST data unavailable in four patients. Data are numbers (percentages), except for age, glucose, and potassium, which are median values (interquartile range).