Risk factor

Elderly (>65) n = 1060

Non-elderly (≤65) n = 2228

p value

male gender

63.8

79.1

<0.001

Cigarette smoking

32.8

47.7

<0.001

familiar history of Ischemic Heart Disease

9.8

19.3

<0.001

hypercholesterolemia

43.0

52.9

0.001

hypertriglyceridemia

33.6

46.6

<0.001

systolic hypertension

33.7

25.3

<0.001

diabetes

43.9

38.9

0.001