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Table 1 Baseline characteristics of acute myocardial infarction patients hospitalized primarily into tertiary care hospitals

From: Improved treatment and prognosis after acute myocardial infarction in Estonia: cross-sectional study from a high risk country

  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
  1. MI myocardial infarction, STEMI ST-segment elevation myocardial infarction, SD standard deviation