Table 1 Baseline characteristics of acute myocardial infarction patients hospitalized primarily into tertiary care hospitals
Year 2001 | Year 2007 | Year 2011 | P value for trend | |
|---|---|---|---|---|
n = 210 | n = 327 | n = 302 | ||
Hospital days, mean, (SD) | 11.4 (9.1) | 10.0 (8.4) | 9.2 (6.5) | 0.002 |
Mean age (SD), years | 68.3 (12.7) | 69.7 (12.0) | 71.0 (12.0) | 0.015 |
≥75 years, % | 31.0 | 37.0 | 41.4 | 0.017 |
Men, % | 66.7 | 58.1 | 62.3 | 0.3 |
STEMI, % | 61.9 | 49.5 | 53.0 | 0.043 |
Diabetes, % | 19.0 | 27.2 | 26.2 | 0.065 |
Arterial hypertension, % | 70.0 | 70.0 | 75.2 | 0.206 |
Previous MI, % | 29.5 | 29.4 | 29.1 | 0.925 |
Previous heart failure, % | 27.1 | 28.1 | 25.2 | 0.626 |
Time to presentation, % | ||||
≤ 3 h | 47.6 | 41.9 | 44.7 | 0.723 |
3–12 h | 23.8 | 24.8 | 23.2 | |
> 12 h | 28.6 | 33.3 | 32.1 | |