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Table 2 Baseline characteristics of AMI patients hospitalized primarily into secondary 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 = 213 n = 360 n = 363
Hospital days, mean, (SD) 11.4 (6.8) 9.4 (7.6) 6.5 (6.3) <0.001
Mean age (SD), years 68.4 (12.4) 71.8 (11.4) 72.8 (12.2) <0.001
≥75 years, % 34.3 45.3 47.4 0.002
Men, % 52.1 51.9 48.5 0.4
STEMI, % 59.6 51.4 44.4 <0.001
Diabetes, % 16.4 31.1 21.5 0.225
Arterial hypertension, % 57.3 75.8 74.7 <0.001
Previous MI, % 23.9 27.2 30.9 0.073
Previous heart failure, % 26.8 31.7 32.2 0.176
Time to presentation, %   
  ≤ 3 h 31.0 30.6 30.0 0.993
 3–12 h 25.8 25.0 26.4
  > 12 h 43.2 44.4 43.5
  1. MI myocardial infarction, STEMI ST- segment elevation myocardial infarction, SD standard deviation