Table 1. Study population characteristics.
| Category | Men, n = 515 | Women, n = 457 | P |
| Age | |||
| ≤ 40 yrs | 27 (5.5%) | 21 (4.7%) | 0.28 |
| 41–60 yrs | 132 (25.5%) | 122 (26.6%) | 0.69 |
| 61–80 yrs | 281 (54.5%) | 246 (53.9%) | 0.42 |
| > 80 years | 75 (14.5%) | 68 (14.8%) | 0.51 |
| Current smoker | 115 (22.3%) | 57 (12.5%) | 0.02 |
| COPD | 63 (12.4%) | 48 (10.5%) | 0.39 |
| Platelet count, ×109 | 202 | 183 | 0.74 |
| CRP, mg/L | 7 | 5 | 0.42 |
| LTA | |||
| AA aggregation, % | 38 | 44 | 0.66 |
| ADP aggregation, % | 42 | 51 | 0.23 |
| PT, s | 11.8 | 12.9 | 0.82 |
| APTT, s | 22.5 | 25.8 | 0.59 |
| Place of AMI | |||
| Home | 99 (19.3%) | 98 (21.4%) | 0.36 |
| Street | 230 (44.8%) | 184 (40.2%) | 0.15 |
| Indoor workplace | 16 (3.1%) | 11 (2.4%) | 0.76 |
| Outdoor workplace | 30 (5.8%) | 28 (6.1%) | 0.83 |
| Public transportation | |||
| Taxi | 36 (6.9%) | 28 (6.2%) | 0.79 |
| Car | 28 (5.5%) | 21 (4.7%) | 0.85 |
| Airport | 11 (2.0%) | 14 (3.1%) | 0.47 |
| Shopping mall/store | 19 (3.4%) | 10 (2.3%) | 0.66 |
| Other place not classified | 46 (8.9%) | 63 (14.1%) | 0.09 |
Data are presented as n (%) unless other indicated. AA: arachidonic acid; ADP: adenosine diphosphate; AMI: acute myocardial infarction; APTT: activated partial prothrombin time; COPD: chronic obstructive pulmonary disease; CRP: C-reactive protein; LTA: light turbidity aggregation; PT: prothrombin time.