Table 2 Baseline characteristics of AMI patients hospitalized primarily into secondary care hospitals

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